{"title":"Celotex","description":"\nCelotex leads the way in advanced insulation solutions, offering a comprehensive range of high-performance boards suited for all types of construction projects. Renowned for their thermal efficiency, our Celotex products are ideal for floor, wall, and roof insulation, ensuring energy efficiency and comfort in both residential and commercial buildings. With varying thicknesses and sizes, our insulation boards cater to specific requirements, providing effective thermal bridging and moisture resistance. Browse our range below and invest in Celotex for superior insulation performance","products":[{"product_id":"25mm-celotex-tb3025-2-4m-x-1-2m","title":"25mm Celotex TB4025 2.4m x 1.2m","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003eCelotex GA4050 | SopremaTherm GA4050 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4050 | SopremaTherm GA4050 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4050 | SopremaTherm GA4050 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517860036704,"sku":"25mm Celotex","price":14.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/TB4000_c6a37078-69f0-414e-a4b6-4d6d0b98319d.png?v=1700135694"},{"product_id":"30mm-celotex-tb3030-2-4m-x-1-2m","title":"30mm Celotex TB4030 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4050 | SopraTherm GA4050 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4050 | SopraTherm GA4050 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4050 | SopraTherm GA4050 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex GA4050 | SopraTherm GA4050 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex GA4050 | SopraTherm GA4050 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex Celotex GA4050 | SopraTherm GA4050 and local government testing has done extensive testing on all the Celotex GA4050 | SopraTherm GA4050 range and as a result the new Celotex | SopraTherm XR4000 TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517861019744,"sku":"30mm Celotex","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/TB4000_90be8f03-9e7a-4a5d-a349-0d0b7d827427.png?v=1700135870"},{"product_id":"40mm-celotex-tb3040-2-4m-x-1-2m","title":"40mm Celotex TB4040 | SopraTherm TB4040 2.4m x 1.2m","description":"\u003cp\u003eCelotex TB4040 | SopraTherm TB4040 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex TB4040 | SopraTherm TB4040 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex TB4040 | SopraTherm TB4040 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex TB4040 | SopraTherm TB4040 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex TB4040 | SopraTherm TB4040 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex Celotex TB4040 | SopraTherm TB4040 and local government testing has done extensive testing on all the Celotex TB4040 | SopraTherm TB4040 range and as a result the new Celotex | SopraTherm XR4000 TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517861544032,"sku":"40mm Celotex","price":20.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_72c6af2a-793a-445b-9063-4bf57337bc15.png?v=1789558740"},{"product_id":"60mm-celotex-ga3060-2-4m-x-1-2m","title":"60mm Celotex GA4060 | SopraTherm GA4060 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4060 | SopraTherm GA4060 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4060 | SopraTherm GA4060 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4060 | SopraTherm GA4060 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eA very cost effective insulation\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eVery strong product that will not break easily\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eEasy to install and handle\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eKeeps performing long after it is installed for many many years\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eLightweight product and easy to unload off a truck\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517862232160,"sku":"60mm Celotex","price":27.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_d5d6d015-4d7e-49df-af7c-201fb8c13f87.png?v=1788963926"},{"product_id":"70mm-celotex-ga3070-2-4m-x-1-2m","title":"70mm Celotex GA4070 | SopraTherm GA4070 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4070 | SopraTherm GA4070 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4070 | SopraTherm GA4070 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4070 | SopraTherm GA4070 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex GA4070 | SopraTherm GA4070 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex GA4070 | SopraTherm GA4070 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex GA4070 | SopraTherm GA4070 and local government testing has done extensive testing on all the Celotex GA4070 | SopraTherm GA4070 range and as a result the new Celotex | SopraTherm XR4000, TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517862494304,"sku":"70mm Celotex","price":30.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_d5d6d015-4d7e-49df-af7c-201fb8c13f87.png?v=1788963926"},{"product_id":"75mm-celotex-ga3075-2-4m-x-1-2m","title":"75mm Celotex GA4075 | SopraTherm GA4075 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4075 | SopraTherm GA4075 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4075 | SopraTherm GA4075 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4075 | SopraTherm GA4075 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex GA4075 | SopraTherm GA4075 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex GA4075 | SopraTherm GA4075 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex GA4075 | SopraTherm GA4075 and local government testing has done extensive testing on all the Celotex GA4075 | SopraTherm GA4075 range and as a result the new Celotex | SopraTherm XR4000, TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517863116896,"sku":"75mm Celotex","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_d5d6d015-4d7e-49df-af7c-201fb8c13f87.png?v=1788963926"},{"product_id":"80mm-celotex-ga3080-2-4m-x-1-2m","title":"80mm Celotex GA4080 | SopraTherm GA4080 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4080 | SopraTherm GA4080 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.024W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4080 | SopraTherm GA4080 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4080 | SopraTherm GA4080 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex GA4080 | SopraTherm GA4080 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex GA4080 | SopraTherm GA4080 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex GA4080 | SopraTherm GA4080 and local government testing has done extensive testing on all the Celotex GA4080 | SopraTherm GA4080 range and as a result the new Celotex | SopraTherm GA4050 TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517863280736,"sku":"80mm Celotex","price":34.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_d5d6d015-4d7e-49df-af7c-201fb8c13f87.png?v=1788963926"},{"product_id":"90mm-celotex-ga3090-2-4m-x-1-2m","title":"90mm Celotex GA4090 | SopraTherm GA4090 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4090 | SopraTherm GA4090 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. 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Easy to handle and install, it comes in conveniently sized boards, making your construction projects smoother and more efficient. And rest assured, it's built to last, providing reliable insulation for many years to come. 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Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. 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Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4140 | SopremaTherm XR4140 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4140 | SopremaTherm XR4140 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517865181280,"sku":"140mm Celotex","price":56.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_95735652-a657-485b-8cda-356158ef293c.png?v=1788871719"},{"product_id":"150mm-celotex-xr4150-2-4m-x-1-2m","title":"150mm Celotex XR4150 | SopraTherm XR4150 2.4m X 1.2m","description":"\u003cp style=\"text-align: justify;\"\u003eCelotex XR4150 | SopremaTherm XR4150 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4150 | SopremaTherm XR4150 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4150 | SopremaTherm XR4150 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517865672800,"sku":"150mm Celotex","price":56.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_95735652-a657-485b-8cda-356158ef293c.png?v=1788871719"},{"product_id":"celotex-cavitywall-40mm","title":"Celotex CW4040 | SopraTherm CW4040 40mm","description":"\u003ch4\u003eTHE PRICE SHOWN IS THE PRICE PER PACK. THIS PRODUCT HAS 12 SHEETS PER PACK. THIS PRODUCT IS SOLD IN PACK QTYS ONLY.\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe CW4040 | SopremaTherm CW4040 Cavitywall 40mm is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.022 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP). \u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this CW4040 | SopremaTherm CW4040 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by CW4040 | SopremaTherm CW4040 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 40 mm\u003c\/li\u003e\n\u003cli\u003eThermal conductivity: 0.022W\/mK\u003c\/li\u003e\n\u003cli\u003eArea\/pack: 6.48m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard weight: 2.48kg\u003c\/li\u003e\n\u003cli\u003eR-Value: 1.80m2K\/W\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e12no sheets per pack. Each sheet 1.2m x .45m. Price per pack.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517904044128,"sku":"celcav40","price":75.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/CW4000_3ee54c06-6e64-478b-a25c-c2e0a1a81da7.png?v=1700141813"},{"product_id":"celotex-cavitywall-47mm","title":"Celotex CW4050 | SopraTherm CW4050 50mm","description":"\u003ch4\u003eTHE PRICE SHOWN IS THE PRICE PER PACK. THIS PRODUCT HAS 11 SHEETS PER PACK. THIS PRODUCT IS SOLD IN PACK QTYS ONLY.\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Celotex CW4050 | SopremaTherm CW4050 Cavitywall 50mm is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.023 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP). \u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this Celotex CW4050 | SopremaTherm CW4050 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4050 | SopremaTherm CW4050 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 50 mm\u003c\/li\u003e\n\u003cli\u003eThermal conductivity: 0.023W\/mK\u003c\/li\u003e\n\u003cli\u003eArea\/pack: 5.94m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard weight: 2.48kg\u003c\/li\u003e\n\u003cli\u003eR-Value: 2.25m2K\/W\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517904273504,"sku":"celcav50","price":67.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/CW4000_f25d6ad4-0722-41a5-b241-6562bbb9a9e8.png?v=1700141817"},{"product_id":"celotex-cavitywall-60mm","title":"Celotex CW4060 | SopraTherm CW4060 60mm","description":"\u003ch4\u003eTHE PRICE SHOWN IS THE PRICE PER PACK. THIS PRODUCT HAS 8 SHEETS PER PACK. THIS PRODUCT IS SOLD IN PACK QTYS ONLY.\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Celotex CW4060 | SopremaTherm CW4060 Cavitywall 60mm is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.023 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP). \u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this Celotex CW4060 | SopremaTherm CW4060 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4060 | SopremaTherm CW4060 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 60 mm\u003c\/li\u003e\n\u003cli\u003eThermal conductivity: 0.023W\/mK\u003c\/li\u003e\n\u003cli\u003eArea\/pack: 4.32m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard weight: 2.48kg\u003c\/li\u003e\n\u003cli\u003eR-Value: 2.70m2K\/W\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31517904502880,"sku":"celcav60","price":78.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/CW4000_55ac171a-6fd2-4a88-abda-32f4299e254c.png?v=1700141990"},{"product_id":"celotex-cavitywall-75mm","title":"Celotex CW4075 | SopraTherm CW4075 75mm x 1200mm x 450mm","description":"\u003cp\u003e\u003cstrong\u003eTHE PRICE SHOWN IS THE PRICE PER PACK. THIS PRODUCT HAS 8 SHEETS PER PACK. THIS PRODUCT IS SOLD IN PACK QTYS ONLY.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the Celotex CW4075 | SopremaTherm CW4075 Cavitywall Insulation - your key to superior thermal performance for partial-fill cavity wall applications. Each pack contains 8 sheets of excellence, each sized at 1200mm x 450mm, giving you a total area coverage of 4.32m². With a robust thickness of 75mm and a low thermal conductivity of 0.023 W\/mK, this insulation delivers exceptional energy savings that last.\u003c\/p\u003e\n\u003cp\u003eCrafted with a polyisocyanurate (PIR) rigid foam core and aluminium foil facings with low emissivity on both sides, it seamlessly fits between cavity wall ties using convenient clips, ensuring retention and ease of installation. The foil facers also enhance thermal insulation in cavity wall air spaces. Plus, the insulation boasts remarkable dimensional stability and a commendable compressive strength of 120kPa.\u003c\/p\u003e\n\u003cp\u003eCertified with an A+ rating by the BRE Green Guide 2008, CE marking in compliance with BS EN 13165:2001, and manufactured adhering to BS EN ISO 9001:2000 quality management systems, Celotex CW4075 | SopremaTherm CW4075 CW4075 is the smart choice for sustainable and efficient insulation solutions. This product is environmentally conscious, being CFC\/HCFC-free, with zero ozone depletion potential (ODP) and low global warming potential (GWP). Experience the benefits of innovation, quality, and reliability with Celotex CW4075 | SopremaTherm CW4075. Get yours today and embrace energy-efficient living.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThe insulation component of this Celotex CW4075 | SopremaTherm CW4075 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4075 | SopremaTherm CW4075 Limited\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cul style=\"text-align: justify;\"\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eSize of Board: 1200 x 450 mm\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThickness: 75 mm\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThermal conductivity: 0.023W\/mK\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eArea\/pack: 4.32m\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eBoard weight: 2.48kg\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eCompressive strength: 120kPa\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eDimensional stability: DS (TH) 8\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e8no sheets per pack. Each sheet 1.2m x .45m. Price per pack.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31518452613216,"sku":"cw40755","price":62.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/CW4000_0f76aa70-4391-45b1-adf6-06c776681cd9.png?v=1700141999"},{"product_id":"celotex-cavitywall-100mm","title":"Celotex CW4100 | SopraTherm CW4100 100mm","description":"\u003ch4\u003eTHE PRICE SHOWN IS THE PRICE PER PACK. THIS PRODUCT HAS 6 SHEETS PER PACK. THIS PRODUCT IS SOLD IN PACK QTYS ONLY.\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Celotex CW4100 | SopremaTherm CW4100 Cavitywall 100mm is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.023 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP). \u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this Celotex CW4100 | SopremaTherm CW4100 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4100 | SopremaTherm CW4100 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 100 mm\u003c\/li\u003e\n\u003cli\u003eThermal conductivity: 0.022W\/mK\u003c\/li\u003e\n\u003cli\u003eArea\/pack: 3.24m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard weight: 2.48kg\u003c\/li\u003e\n\u003cli\u003eR-Value: 3.60m2K\/W\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31518496915552,"sku":"cw4100","price":61.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_95735652-a657-485b-8cda-356158ef293c.png?v=1788871719"},{"product_id":"celotex-ga3000-general-purpose-pir-insulation-board","title":"Celotex GA4000 | SopraTherm GA4000 General Purpose PIR Insulation Board (All Sizes) 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4000 | SopremaTherm GA4000 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4000 | SopremaTherm GA4000 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex GA4000 | SopremaTherm GA4000 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667.\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003col\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex GA4000 | SopremaTherm GA4000 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex GA4000 | SopremaTherm GA4000 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex GA4000 | SopremaTherm GA4000 and local government testing has done extensive testing on all the Celotex GA4000 | SopremaTherm GA4000 range and as a result the new Celotex GA4000 | SopremaTherm GA4000 TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBrowse Other Insulation Products:\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4000-insulation-board-all-sizes\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCelotex GA4000 | SopremaTherm GA4000 XR4000 Insulation Board\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: For applications where higher insulation values are required, the Celotex GA4000 | SopremaTherm GA4000 is an ideal option. It offers enhanced thermal conductivity and excellent insulation performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4200-200mm-x-2-4m-x-1-2m-pallet-of-12\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCelotex | SopremaTherm XR4200 200mm\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: If you need insulation with a thicker profile, the Celotex | SopremaTherm XR4200 in 200mm thickness provides enhanced thermal insulation properties and is available in a convenient pallet size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/165mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4165-2-4m-x-1-2m\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e165mm Celotex | SopremaTherm XR4165\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: Designed for applications that require substantial insulation, the 165mm Celotex | SopremaTherm XR4165 offers exceptional thermal performance and helps achieve high energy efficiency in buildings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/plylok-pir-insulation-board-2-4m-x-1-2m\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePlylok PIR Insulation Board\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: The Plylok PIR Insulation Board is another option worth considering. With its easy installation and reliable performance, it provides effective thermal insulation in various applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/mannok-2-4m-x-1-2m-all-sizes\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMannok Insulation Board\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: Mannok Insulation Board offers a range of sizes to suit your specific requirements. It provides excellent thermal insulation and contributes to energy efficiency in buildings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/iko-enertherm-alu-pir-2-4m-x-1-2m-all-sizes\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eIKO Enertherm Alu PIR\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: The IKO Enertherm Alu PIR Insulation Board is known for its superior thermal performance and durability. It offers reliable insulation for a wide range of applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-20mm-tb4020-2-4m-x-1-2m\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCelotex | SopremaTherm 20mm TB4020\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e: If you require a thinner insulation option, the Celotex | SopremaTherm 20mm TB4020 provides effective thermal insulation while maintaining a low profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Celotex GA4000 | SopremaTherm GA4000 be used for both residential and commercial buildings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the Celotex GA4000 | SopremaTherm GA4000 is suitable for both residential and commercial buildings. Its versatile nature allows it to be used in various applications, including roofs, floors, and walls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Celotex GA4000 | SopremaTherm GA4000 easy to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the Celotex GA4000 | SopremaTherm GA4000 is designed for easy installation. Its conveniently sized boards and lightweight nature make handling and installation a straightforward process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the thermal conductivity rating of the Celotex GA4000 | SopremaTherm GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Celotex GA4000 | SopremaTherm GA4000 has a thermal conductivity rating of 0.022W\/mK, ensuring excellent insulation performance and the elimination of cold spots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Celotex GA4000 | SopremaTherm GA4000 withstand fire?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Celotex | SopremaTherm GA4000 exhibits a good reaction to fire when tested in accordance with new European standards, providing an added layer of fire safety.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"25mm","offer_id":31649774633056,"sku":"25mm Celotex","price":14.25,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":31649774665824,"sku":"30mm Celotex","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"40mm","offer_id":31649774698592,"sku":"40mm Celotex","price":20.69,"currency_code":"GBP","in_stock":true},{"title":"50mm","offer_id":31649774731360,"sku":"50mm Celotex","price":22.1,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":31649774764128,"sku":"60mm Celotex","price":27.0,"currency_code":"GBP","in_stock":true},{"title":"70mm","offer_id":31649774796896,"sku":"70mm Celotex","price":30.49,"currency_code":"GBP","in_stock":true},{"title":"75mm","offer_id":31649774829664,"sku":"75mm Celotex","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"80mm","offer_id":31649774862432,"sku":"80mm Celotex","price":34.08,"currency_code":"GBP","in_stock":true},{"title":"90mm","offer_id":31649774895200,"sku":"90mm Celotex","price":36.5,"currency_code":"GBP","in_stock":true},{"title":"100mm","offer_id":31649774927968,"sku":"100mm Celotex","price":37.74,"currency_code":"GBP","in_stock":true},{"title":"110mm","offer_id":31649774960736,"sku":"110mm Celotex","price":46.7,"currency_code":"GBP","in_stock":true},{"title":"120mm","offer_id":31649774993504,"sku":"120mm Celotex","price":45.5,"currency_code":"GBP","in_stock":true},{"title":"130mm","offer_id":31649775026272,"sku":"130mm Celotex","price":55.75,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":31649775059040,"sku":"140mm Celotex","price":56.99,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":31649775091808,"sku":"150mm Celotex","price":56.5,"currency_code":"GBP","in_stock":true},{"title":"165mm (Pallet of 12)","offer_id":31721273426016,"sku":"165mm Celotex1pal","price":959.88,"currency_code":"GBP","in_stock":true},{"title":"200mm (Pallet of 12)","offer_id":42196693418177,"sku":"xr4200pal","price":1250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_9ffaba08-3164-49d7-b6e5-6592987f870b.png?v=1788868435"},{"product_id":"100mm-celotex-ga4100-2-4m-x-1-2m","title":"100mm Celotex GA4100 | SopraTherm GA4100 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4100 | SopremaTherm GA4100 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIntroducing the 100mm Celotex GA4100 | SopremaTherm GA4100 GA4100 Insulation Board - your versatile solution to combat cold spots and enhance insulation efficiency across walls, floors, roofs, and cavities. Manufactured from durable polyisocyanurate (PIR), this board boasts exceptional performance with a low global warming impact, showcasing its eco-friendly design.\u003c\/p\u003e\n\u003cp\u003eAddressing energy wastage, this PIR insulation minimizes the need for excess heating or air conditioning, ensuring both reliable and long-term energy savings. Its impressive thermal conductivity of 0.022W\/mK guarantees superior insulation results. What's more, Celotex GA4100 | SopremaTherm GA4100's A+ rating from the BRE Green Guide and BBA certifications (95\/3197 and 09\/4667) attest to its quality.\u003c\/p\u003e\n\u003cp\u003eCrafted for efficiency, the 100mm Celotex GA4100 | SopremaTherm GA4100 GA4100 is thoughtfully sized at 2.4m x 1.2m for easy installation between cavity wall ties. Its sturdiness ensures it won't break during handling, and its lightweight nature simplifies unloading. With excellent fire reaction and the ability to meet current and future Building Regulations, this cost-effective solution promises enduring performance that benefits both your space and the environment.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eA very cost effective insulation\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eVery strong product that will not break easily\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eEasy to install and handle\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eKeeps performing long after it is installed for many many years\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eLightweight product and easy to unload off a truck\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDive into a range of Celotex GA4100 | SopremaTherm GA4100 products, each tailored to meet specific insulation requirements. Whether you're focusing on walls, roofs, or floors, these solutions offer durability, performance, and long-term cost savings.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31519534940256,"sku":"100mm Celotex","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_646242bc-d764-4e19-ad6f-42cac69f2c06.png?v=1788868176"},{"product_id":"celotex-cavitywall-85mm","title":"Celotex CW4085 | SopraTherm CW4085 85mm (Pallet Of 112 Sheets)","description":"\u003cp style=\"text-align: justify;\"\u003eThe Celotex CW4085 | SopremaTherm CW4085 Cavitywall 80mm is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.023 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP). \u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this Celotex CW4085 | SopremaTherm CW4085 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4085 | SopremaTherm CW4085 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 85mm\u003c\/li\u003e\n\u003cli\u003eThermal conductivity: 0.023W\/mK\u003c\/li\u003e\n\u003cli\u003eArea\/pack: 3.78m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eBoard weight: 2.48kg\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":31519535726688,"sku":"celcav85","price":1330.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_e2e627cb-2fed-4682-b1ac-b76d726d81a6.png?v=1788868023"},{"product_id":"celotex-xr4000-insulation-board-all-sizes","title":"Celotex XR4000 | SopraTherm XR4000 Insulation Board 1.2m x 2.4m - All Sizes","description":"\u003cp style=\"text-align: justify;\"\u003eCelotex XR4000 | SopremaTherm XR4000 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4000 | SopremaTherm XR4000 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4000 | SopremaTherm XR4000 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCodes:\u003c\/strong\u003e\u003cbr\u003eXR4110 , XR4120 , XR4130 , XR4140 , XR4150 , XR4165 , XR4200\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"110mm","offer_id":31721748889696,"sku":"110mm Celotex","price":46.7,"currency_code":"GBP","in_stock":true},{"title":"120mm","offer_id":31721748922464,"sku":"120mm Celotex","price":45.5,"currency_code":"GBP","in_stock":true},{"title":"130mm","offer_id":31721748955232,"sku":"130mm Celotex","price":55.75,"currency_code":"GBP","in_stock":true},{"title":"140mm","offer_id":31721748988000,"sku":"140mm Celotex","price":56.99,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":31721749020768,"sku":"150mm Celotex","price":56.5,"currency_code":"GBP","in_stock":true},{"title":"165mm (Pallet Of 12)","offer_id":31721766748256,"sku":"165mm Celotex1pal","price":959.88,"currency_code":"GBP","in_stock":true},{"title":"200mm (Pallet Of 12)","offer_id":42795157717185,"sku":"xr4200pal","price":1250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_06f58d99-8646-4bb1-a28c-283d26ca6e70.png?v=1788867986"},{"product_id":"celotex-cw4000-cavity-wall-insulation-board-all-sizes","title":"Celotex CW4000 | SopraTherm CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes","description":"\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable style=\"max-width: 1200px;\" class=\"table table-striped\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003cth\u003eSheets Per Pack\u003c\/th\u003e\n\u003cth\u003ePack Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e7.56m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e5.94m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e5.4m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e4.32m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e85mm\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e3.78m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e3.24m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Celotex CW4000 | SopremaTherm CW4000 Cavitywall is perfect for superior performance thermal insulation in application of partial fill cavity wall insulation. It includes a polyisocyanurate rigid foam and insulation core, along with a thermal conductivity that comes out to be 0.022 W\/mK. There are also aluminium foil facings with low emissivity at both the sides. This is formed through a rigid polyisocyanurate (PIR) through a blend of blowing agents with low global warming potential (GWP) and zero ozone depletion potential (zero ODP).\u003c\/p\u003e\n\u003ch4 style=\"text-align: justify;\"\u003e\n\u003cbr\u003e\u003cstrong\u003eAdvantages\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eConveniently fits in between cavity wall ties through cavity ties clips\u003c\/li\u003e\n\u003cli\u003eClips offer Retention\u003c\/li\u003e\n\u003cli\u003eGives long lasting reliable energy savings for all buildings\u003c\/li\u003e\n\u003cli\u003eFoil facers with low emissivity provide improved thermal insulation along with cavity walls air spaces\u003c\/li\u003e\n\u003cli\u003eExemplary dimensional stability\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 style=\"text-align: justify;\"\u003e\n\u003cbr\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe insulation component of this Celotex CW4000 | SopremaTherm CW4000 is given an A+ rating in comparison to the BRE Green Guide 2008\u003c\/li\u003e\n\u003cli\u003eThis got CE marking complying with BS EN 13165:2001\u003c\/li\u003e\n\u003cli\u003eThis is CFC\/HCFC free that means zero ozone depletion potential (ODP) along with low global warming potential (GWP)\u003c\/li\u003e\n\u003cli\u003eThis is formed in accordance with BS EN ISO 9001:2000 and quality management systems by Celotex CW4000 | SopremaTherm CW4000 Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 style=\"text-align: justify;\"\u003e\n\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eSize of Board: 1200 x 450 mm\u003c\/li\u003e\n\u003cli\u003eCompressive strength: 120kPa\u003c\/li\u003e\n\u003cli\u003eWater vapour resistance: Greater than 150MNs\/g\u003c\/li\u003e\n\u003cli\u003eDimensional stability: DS (TH) 8\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"50mm (11 Sheets)","offer_id":31679314919520,"sku":"celcav50","price":67.99,"currency_code":"GBP","in_stock":true},{"title":"75mm (8 Sheets)","offer_id":31679314985056,"sku":"cw40755","price":62.25,"currency_code":"GBP","in_stock":true},{"title":"85mm (7 Sheets)","offer_id":31679315017824,"sku":"celcav85","price":1330.0,"currency_code":"GBP","in_stock":true},{"title":"100mm (6 Sheets)","offer_id":31679315050592,"sku":"cw4100","price":61.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/CW4000_2732677d-22cc-40f6-aa63-cdd61584539a.png?v=1700141825"},{"product_id":"celotex-pl4000-insulated-plasterboard-all-sizes","title":"Celotex PL4000 | SopraTherm PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m","description":"\u003cp style=\"text-align: justify;\"\u003eShop a cheaper alternative product - \u003cstrong\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/warmline-pir-insulated-plasterboard-all-sizes\"\u003eWarmline PIR Insulated Plasterboard 1.2m x 2.4m\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eManufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents with zero ozone depletion potential (zero ODP) and low global warming potential. It helps in reducing installation time, by allowing both the insulation and plasterboard in one operation. It helps in wall applications and comes in 2400mm x 1200mm.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eOffers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.\u003c\/li\u003e\n\u003cli\u003eOffers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.\u003c\/li\u003e\n\u003cli\u003eProvides reliable long-term energy savings for buildings.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both new build and refurbishment projects.\u003c\/li\u003e\n\u003cli\u003eCan be easily used to upgrade to current building regulation standards.\u003c\/li\u003e\n\u003cli\u003eCan be used in pitched roof, flat roof and wall applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe 'underneath' layer of insulation in between and under rafter and joist applications.\u003c\/li\u003e\n\u003cli\u003eSolid masonry walls.\u003c\/li\u003e\n\u003cli\u003eTimber frame lining applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Celotex","offers":[{"title":"37.5mm","offer_id":31721734307936,"sku":"PL4025","price":39.88,"currency_code":"GBP","in_stock":true},{"title":"52.5mm","offer_id":31721734340704,"sku":"PL4040","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"62.5mm","offer_id":31721734373472,"sku":"PL4050","price":53.1,"currency_code":"GBP","in_stock":true},{"title":"72.5mm","offer_id":31721734406240,"sku":"PL4060","price":59.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/PL4000_482d5bd2-d4d6-42f8-8643-c91f21ececd1.png?v=1700140010"},{"product_id":"celotex-tb4000-thermal-bridging-board-all-sizes","title":"Celotex TB4000 | SopraTherm TB4000 Thermal Bridging Board 1.2m x 2.4m - All Sizes","description":"\u003cp\u003eCelotex TB4000 | SopremaTherm TB4000 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex TB4000 | SopremaTherm TB4000 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex TB4000 | SopremaTherm TB4000 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667.\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003col\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex TB4000 | SopremaTherm TB4000 boards went under strict review due to the Grenfell Tower incident. As a result most of the general application boards (GA4000 range) were down graded in their thermal performance from 0.022 to 0.023. As a result of this Celotex TB4000 | SopremaTherm TB4000 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result from the Grenfell Tower disaster has now been undone. Celotex TB4000 | SopremaTherm TB4000 and local government testing has done extensive testing on all the Celotex TB4000 | SopremaTherm TB4000 range and as a result the new Celotex TB4000 | SopremaTherm TB4000 TB4000 and GA4000 range meets the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"25mm","offer_id":31721778217056,"sku":"25mm Celotex","price":14.25,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":31721778249824,"sku":"30mm Celotex","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"40mm","offer_id":31721778282592,"sku":"40mm Celotex","price":20.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_69e291d6-e74d-4f67-95be-421c600937ff.png?v=1788867743"},{"product_id":"thermaclass-cavity-wall-21","title":"Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes","description":"\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable style=\"max-width: 1200px;\" class=\"table table-striped\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003cth\u003eSheets Per Pallet\u003c\/th\u003e\n\u003cth\u003eSheet Coverage\u003c\/th\u003e\n\u003cth\u003ePallet Coverage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e90mm\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003ctd\u003e0.5355 m2\u003c\/td\u003e\n\u003ctd\u003e51.4 m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e115mm\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e0.5355 m2\u003c\/td\u003e\n\u003ctd\u003e42.8 m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003ctd\u003e0.5355 m2\u003c\/td\u003e\n\u003ctd\u003e34.2 m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThermaclass Cavity Wall 21 is an easy to install, high thermal performance polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with a thermal conductivity of 0.021 W\/m.K. It can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe boards have a low emissivity foil facing to each side and feature an engineered tongue and groove joint profile, helping to ensure a continuous layer of insulation to maximise thermal performance and provide protection from wind driven rain.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eProduct Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight 1190 x 450mm boards (installed dimensions)\u003c\/li\u003e\n\u003cli\u003eTongue and groove edge profile\u003c\/li\u003e\n\u003cli\u003eLow emissivity foil facing\u003c\/li\u003e\n\u003cli\u003eBBA approved – certificate 16\/5343\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eProduct Properties\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoard size: 1190 x 450mm (installed) 1205 x 465mm (including tongue)\u003c\/li\u003e\n\u003cli\u003eThickness : 90-140mm\u003c\/li\u003e\n\u003cli\u003eMaterial: PIR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eProduct Performance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLambda: 0.021 W\/m.K\u003c\/li\u003e\n\u003cli\u003eReaction to Fire: Euroclass E Reaction to Fire classification, according to EN 13501-1 (Products with this level of classification are not provided with a rating for smoke emission)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eProduct Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent thermal performance with a thermal conductivity of 0.021 W\/m.K, reducing the thickness of insulation required to hit the target U-value.\u003c\/li\u003e\n\u003cli\u003eLow emissivity foil facing provides improved thermal performance in sealed cavity air spaces, improving the achievable U-value.\u003c\/li\u003e\n\u003cli\u003eEasy to install – The boards are sized to fit standard cavity wall tie spacing. They are light and rigid, assisting with ease of transportation, handling and fitting.\u003c\/li\u003e\n\u003cli\u003eBBA certified - Thermaclass Cavity Wall 21 has been assessed by the BBA as fit for use in defined full fill cavity wall applications if installed, used and maintained as set out in the certificate. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Walls – full fill cavity wall\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey Considerations\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThermaclass Cavity Wall 21 should not be used in the external walls of buildings over 18 metres in height (England and Wales) or 11 metres in height (Scotland). Recent changes to Building Regulations mean that only non-combustible insulation or insulation of limited combustibility can be used in buildings of that height\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cvideo controls=\"controls\" height=\"410\" width=\"800\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0250\/6198\/2261\/files\/thermaclass_cavity_wall_21_1080p.mp4?v=1647007007\"\u003e\n  \u003csource type=\"video\/ogg\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0250\/6198\/2261\/files\/thermaclass_cavity_wall_21_1080p.mp4?v=1647007007\"\u003e\nYour browser does not support the video tag.\n\u003c\/source\u003e\u003c\/video\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"90mm (6 Sheets)","offer_id":55275414421891,"sku":"CELOTC1090pk","price":107.99,"currency_code":"GBP","in_stock":true},{"title":"90mm (96 Sheets)","offer_id":40086149333185,"sku":"CELOTC1090","price":1727.87,"currency_code":"GBP","in_stock":true},{"title":"115mm (80 Sheets)","offer_id":40086149365953,"sku":"CELOTC1115","price":1900.0,"currency_code":"GBP","in_stock":true},{"title":"140mm (64 Sheets)","offer_id":40086149398721,"sku":"CELOTC1140","price":1850.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Thermaclass_Cavity_Wall_21_1st_9f694add-134e-4e00-bc18-6a5aae2d39e9.png?v=1700227670"},{"product_id":"celotex-xr4200-200mm-x-2-4m-x-1-2m-pallet-of-12","title":"Celotex XR4200 | SopraTherm XR4200 200mm x 2.4m x 1.2m (Pallet of 12)","description":"\u003cp style=\"text-align: justify;\"\u003eCelotex XR4200 | SopremTherm XR4200 is a multi purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4200 | SopremTherm XR4200 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003eCelotex XR4200 | SopremTherm XR4200 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ctable align=\"center\"\u003e\u003c\/table\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42077695901889,"sku":"xr4200pal","price":1250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_9016424d-4e9e-46d5-823e-c412fc9135ef.png?v=1788792291"},{"product_id":"50mm-celotex-ga4050-2-4m-x-1-2m","title":"Celotex GA4050 | SopraTherm GA4050 50mm 2.4m x 1.2m","description":"\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 is an easy-to-install, multi purpose insulation board.\u003c\/p\u003e\n\u003cp\u003eThis insulation board has many uses, thanks to its low emissivity foil it can be considered in many applications that require insulating roofs, floors, and walls.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 is a general application insulation board available in different thicknesses ranging from 50mm to 100mm.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 is able to achieve improved thermal insulation performance with minimum thickness whilst offering great thermal conductivity, increasing insulation and reducing possible heating or cooling costs.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 can be used to provide thermal insulation solutions in a wide range of applications such as when insulating floors, roofs, walls, flat roofs, pitched roofs, metal frame systems and steel framed systems, floor systems, and even masonry walls.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm insulation boards are manufactured using a blowing agent that has zero ozone depletion potential and low GWP (global warming potential) making it an eco and green-friendly solution in construction.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm PIR insulation boards are specifically designed to offer the same efficiency over many years which over time helps unnecessary usage of bills on heating and cooling.\u003c\/p\u003e\n\u003cp\u003eFor more details on the Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm product range and its uses please click on the Datasheets tab where you will find a manufacturer product data-sheet or get in touch with one of our team members.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePRODUCT FEATURES OF Celotex GA4050 | SopremaTherm GA4050 GA4050 | SOPREMATHERM GA4050 50MM INSULATION BOARD\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 is a lightweight multi purpose insulation board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThey are available in various sizes for installation between cavity wall ties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e50mm Celotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 insulation boards are very cost-efficient\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThey are easy to handle and install\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContains zero ozone depletion potential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePIR Insulation Board GA4050 has a foil facing on both sides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003ePRODUCT PERFORMANCE OF Celotex GA4050 | SopremaTherm GA4050 GA4050 | SOPREMATHERM GA4050 50MM PIR INSULATION BOARD\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eU-Value Thermal Conductivity (Lambda): 0.022 W\/m.K\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReaction to Fire: Euroclass E Reaction to Fire classification, according to BS EN 13501-1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHOW TO STORE Celotex GA4050 | SopremaTherm GA4050 GA4050 | SOPREMATHERM GA4050 50MM MULTI PURPOSE INSULATION BOARD\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm Rigid PIR Insulation Board should always be stored in a dry place, ideally on timber or pallets facing down to prevent damage to the boards.\u003c\/p\u003e\n\u003cp\u003eFor more information on how to store your Celotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 please contact a member of our team.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCERTIFICATIONS OF Celotex GA4050 | SopremaTherm GA4050 GA4050 | SOPREMATHERM GA4050 50MM INSULATION BOARD\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 is certified by BBA with the certificate numbers 17\/5405 and 16\/5352.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis High-Performance Rigid PIR Insulation Board has received an A+ rating in the BRE Green Guide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBrowse Other Insulation Options\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-cavitywall-100mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm Cavity Wall 100mm\u003c\/a\u003e: This insulation board is designed specifically for cavity wall applications, providing excellent thermal performance. It can help enhance the energy efficiency of your building.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-cavitywall-85mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm Cavity Wall 85mm\u003c\/a\u003e: Another option for cavity wall insulation, this board offers great thermal conductivity properties. It helps to minimize heat loss and can contribute to reducing energy consumption.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-cavitywall-40mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm Cavity Wall 40mm\u003c\/a\u003e: This insulation board is suitable for cavity wall applications where a thinner profile is required. It still provides effective thermal insulation while saving space.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-cavitywall-47mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm Cavity Wall 47mm\u003c\/a\u003e: A slightly thicker option than the 40mm variant, this board offers enhanced thermal performance while maintaining a slim profile. It is suitable for various cavity wall constructions.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-20mm-tb4020-2-4m-x-1-2m\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm 20mm TB4020 2.4m x 1.2m\u003c\/a\u003e: This insulation board is designed for general applications where a thinner insulation layer is required. It provides thermal efficiency while minimizing the overall thickness of the insulation system.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-pl4000-37-5mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm PL4000 37.5mm\u003c\/a\u003e: This insulation board combines high-performance insulation with a plasterboard finish. It is ideal for internal solid wall insulation, offering both thermal insulation and a smooth, ready-to-paint surface.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/100mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga4100-2-4m-x-1-2m\"\u003e100mm Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm GA4100 2.4m x 1.2m\u003c\/a\u003e: If you require thicker insulation, this board provides excellent thermal performance and is suitable for a range of applications, including roofs, walls, and floors.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-cavitywall-75mm\"\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm Cavity Wall 75mm\u003c\/a\u003e: This insulation board offers a balance between thickness and thermal performance, making it suitable for cavity wall constructions that require a moderate insulation layer.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs 50mm insulation enough?\u003c\/h3\u003e\n\u003cp\u003eWith 50mm of insulation, you can provide a good level of thermal insulation for most applications. To be sure that 50mm is enough, you should calculate the U-value of the entire structure (not just the board in isolation). It is important to reduce cold spots and thermal bridging to get the best insulation value.\u003c\/p\u003e\n\u003ch3\u003eWhat's the U-value of 50mm Celotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050?\u003c\/h3\u003e\n\u003cp\u003eThe thermal conductivity for a 2.4m x 1.2m sheet of Celotex GA4050 | SopremaTherm GA4050 GA4050 | SopremaTherm GA4050 50mm insulation is 0.022 W\/m.K.\u003c\/p\u003e\n\u003ch3\u003eHow thick should Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm be?\u003c\/h3\u003e\n\u003cp\u003eAs a general rule, choose a general application insulation board that is as thick as you can afford and that space allows. Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm is available in a range of thicknesses to suit different applications.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between Celotex GA4050 | SopremaTherm GA4050 | SopremaTherm and polystyrene?\u003c\/h3\u003e\n\u003cp\u003eCelotex GA4050 | SopremaTherm GA4050 | SopremaTherm PIR insulation boards are more than just polystyrene. They are made from completely different materials. PIR offers far better insulating performance for the same thickness of board. They are manufactured using a blowing agent that has zero ozone depletion potential and low GWP (global warming potential), making it an eco-friendly solution in construction.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223055175873,"sku":"50mm Celotex","price":22.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708.png?v=1788791461"},{"product_id":"celotex-20mm-tb4020-2-4m-x-1-2m","title":"Celotex TB4020 | SopraTherm TB4020 20mm 2.4m x 1.2m","description":"\u003cp style=\"text-align: justify;\"\u003eCelotex TB4020 | SopraTherm TB4020 is a multi-purpose insulation board 20mm that provides solutions to overcome cold spots in walls\/floors\/roofs\/cavities etc that can be created from the lack of insulation board 20mm in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words, this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHigh performance at no extra cost:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis high performing PIR insulation board is \u003cstrong\u003eenvironmental-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBenefits and cost savings:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eCelotex TB4020 | SopraTherm TB4020 provides reliable and long-term energy-saving solution for buildings, which ultimately results in low-cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eCelotex TB4020 | SopraTherm TB4020 has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost-effective insulation\u003c\/li\u003e\n\u003cli\u003eA very strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecent Name Change:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRecently Celotex TB4020 | SopraTherm TB4020 boards went under strict review due to the Grenfell Tower incident. As a result, most of the general application boards (GA4000 range) were downgraded in their thermal performance from 0.022 to 0.023. As a result of this Celotex TB4020 | SopraTherm TB4020 changed the names of the boards effected by this to TB3000 and GA3000 range.\u003c\/p\u003e\n\u003cp\u003eThis change as a result of the Grenfell Tower disaster has now been undone. Celotex TB4020 | SopraTherm TB4020 and local government testing has done extensive testing on all the Celotex TB4020 | SopraTherm TB4020 range and as a result, the new Celotex TB4020 | SopraTherm TB4020 TB4000 and GA4000 range meet the required standards to meet the Thermal Conductivity of 0.022.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull Celotex TB4020 | SopraTherm\u003c\/strong\u003e\u003cstrong\u003e TB4020 Range\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eCelotex TB4020 | SopraTherm TB4020 PIR Insulation has 3 product codes TB4000, GA4000, and XR4000 (The only difference is the thickness)\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-tb4000-thermal-bridging-board-all-sizes\" title=\"https:\/\/insulation4less.co.uk\/products\/Celotex GA4050 | SopremaTherm GA4050-tb4000-thermal-bridging-board-all-sizes\"\u003eTB4000\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-20mm-tb4020-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/Celotex GA4050 | SopremaTherm GA4050-20mm-tb4020-2-4m-x-1-2m\"\u003eTB4020: Celotex TB4020 | SopraTherm TB4020 20mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/25mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-tb3025-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/25mm-Celotex GA4050 | SopremaTherm GA4050-tb3025-2-4m-x-1-2m\"\u003eTB4025: Celotex TB4020 | SopraTherm TB4020 25mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/30mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-tb3030-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/30mm-Celotex GA4050 | SopremaTherm GA4050-tb3030-2-4m-x-1-2m\"\u003eTB4030: Celotex TB4020 | SopraTherm TB4020 30mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/40mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-tb3040-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/40mm-Celotex GA4050 | SopremaTherm GA4050-tb3040-2-4m-x-1-2m\"\u003eTB4040: Celotex TB4020 | SopraTherm TB4020 40mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga4000-general-purpose-pir-insulation-board\" title=\"https:\/\/insulation4less.co.uk\/products\/Celotex GA4050 | SopremaTherm GA4050-ga4000-general-purpose-pir-insulation-board\"\u003eGA4000\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/50mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga4050-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/50mm-Celotex GA4050 | SopremaTherm GA4050-ga4050-2-4m-x-1-2m\"\u003eGA4050: Celotex GA4050 | SopraTherm GA4050 50mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/60mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga3060-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/60mm-Celotex GA4050 | SopremaTherm GA4050-ga3060-2-4m-x-1-2m\"\u003eGA4060: Celotex GA4050 | SopraTherm GA4050 60mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/70mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga3070-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/70mm-Celotex GA4050 | SopremaTherm GA4050-ga3070-2-4m-x-1-2m\"\u003eGA4070: Celotex GA4050 | SopraTherm GA4050 70mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/75mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga3075-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/75mm-Celotex GA4050 | SopremaTherm GA4050-ga3075-2-4m-x-1-2m\"\u003eGA4075: Celotex GA4050 | SopraTherm GA4050 75mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/80mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga3080-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/80mm-Celotex GA4050 | SopremaTherm GA4050-ga3080-2-4m-x-1-2m\"\u003eGA4080: Celotex GA4050 | SopraTherm GA4050 80mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/90mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga3090-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/90mm-Celotex GA4050 | SopremaTherm GA4050-ga3090-2-4m-x-1-2m\"\u003eGA4090: Celotex GA4050 | SopraTherm GA4050 90mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/100mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-ga4100-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/100mm-Celotex GA4050 | SopremaTherm GA4050-ga4100-2-4m-x-1-2m\"\u003eGA4100: Celotex GA4050 | SopraTherm GA4050 100mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4000-insulation-board-all-sizes\" title=\"https:\/\/insulation4less.co.uk\/products\/Celotex GA4050 | SopremaTherm GA4050-xr4000-insulation-board-all-sizes\"\u003eXR4000\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/110mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4110-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/110mm-Celotex GA4050 | SopremaTherm GA4050-xr4110-2-4m-x-1-2m\"\u003eXR4110: Celotex XR4050 | SopraTherm XR4050 110mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/120mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4120-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/120mm-Celotex GA4050 | SopremaTherm GA4050-xr4120-2-4m-x-1-2m\"\u003eXR4120: Celotex XR4050 | SopraTherm XR4050 120mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/130mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4130-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/130mm-Celotex GA4050 | SopremaTherm GA4050-xr4130-2-4m-x-1-2m\"\u003eXR4130: Celotex XR4050 | SopraTherm XR4050 130mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/140mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4140-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/140mm-Celotex GA4050 | SopremaTherm GA4050-xr4140-2-4m-x-1-2m\"\u003eXR4140: Celotex XR4050 | SopraTherm XR4050 140mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/150mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4150-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/150mm-Celotex GA4050 | SopremaTherm GA4050-xr4150-2-4m-x-1-2m\"\u003eXR4150: Celotex XR4050 | SopraTherm XR4050 150mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/165mm-Celotex%20GA4050%20|%20SopremaTherm%20GA4050-xr4165-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/165mm-Celotex GA4050 | SopremaTherm GA4050-xr4165-2-4m-x-1-2m\"\u003eXR4165: Celotex XR4050 | SopraTherm XR4050 165mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/insulation4less.co.uk\/products\/Celotex%20GA4050%20|%20SopremaTherm%20GA4050-200mm-xr4200-2-4m-x-1-2m\" title=\"https:\/\/insulation4less.co.uk\/products\/Celotex GA4050 | SopremaTherm GA4050-200mm-xr4200-2-4m-x-1-2m\"\u003eXR4200: Celotex XR4050 | SopraTherm XR4050 200mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223055339713,"sku":"TB4020","price":15.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_9016424d-4e9e-46d5-823e-c412fc9135ef.png?v=1788792291"},{"product_id":"165mm-celotex-xr4165-2-4m-x-1-2m","title":"Celotex XR4165 | SopraTherm XR4165 165mm 2.4m x 1.2m (Pallet Of 12)","description":"\u003cp style=\"text-align: justify;\"\u003eCelotex XR4165 | SopraTherm XR4165 is a multi-purpose insulation board that provides solutions to overcome cold spots in walls \/ floors \/ roofs \/ cavities etc that can be created from the lack of insulation in some areas. Featuring foil facings, this board has been manufactured from tough polyisocyanurate (PIR) by using a perfect mix of certain blowing agents which acquires zero ozone depletion potential (zero ODP) and a low global warming impact. In other words, this product is easy on the \u003cspan\u003eenvironment\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eCelotex XR4165 | SopraTherm XR4165 165mm pir insulation board: High performance at no extra cost\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003eThis high performing pir insulation board is \u003cstrong\u003eenvironmentally-friendly\u003c\/strong\u003e. It certainly helps in reducing the excessive and unnecessary usage of energy and resources like central heating or in some cases air conditioning. It is designed to eliminate cold spots and has an excellent performance in timber frame and masonry walls. It features a thermal conductivity of 0.022W\/mK for providing better insulation. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e165mm insulation board: Benefits and cost savings\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003eCelotex XR4165 | SopraTherm XR4165 provides reliable and long-term energy saving solution for buildings, which ultimately results in low cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with minimum thickness. It also helps in meeting the current as well as future requirements of the Building Regulations. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e165mm Celotex GA4050 | SopraTherm xr4000 pir has achieved A+ rating when it is compared to BRE Green Guide and has certification from BBA certificate number 95\/3197 and 09\/4667. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col style=\"text-align: justify;\"\u003e\n\u003cli\u003eFeatures a good reaction to fire when measured in accordance with new European standards\u003c\/li\u003e\n\u003cli\u003eComes in conveniently sized boards for installation between cavity wall ties\u003c\/li\u003e\n\u003cli\u003eA very cost effective insulation\u003c\/li\u003e\n\u003cli\u003eVery strong product that will not break easily\u003c\/li\u003e\n\u003cli\u003eEasy to install and handle\u003c\/li\u003e\n\u003cli\u003eKeeps performing long after it is installed for many many years\u003c\/li\u003e\n\u003cli\u003eLightweight product and easy to unload off a truck\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223055601857,"sku":"165mm Celotex1pal","price":959.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/Untitled_design_-_2026-09-07T153045.708_9016424d-4e9e-46d5-823e-c412fc9135ef.png?v=1788792291"},{"product_id":"celotex-pl4000-37-5mm","title":"Celotex PL4025 | SopraTherm PL4025 37.5mm 2.4m x 1.2m","description":"\n\u003cp style=\"text-align: justify;\"\u003eShop a cheaper alternative product - \u003cstrong\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/warmline-pir-insulated-plasterboard-all-sizes\"\u003eWarmline PIR Insulated Plasterboard 1.2m x 2.4m\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eManufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents with zero ozone depletion potential (zero ODP) and low global warming potential. It helps in reducing installation time, by allowing both the insulation and plasterboard in one operation. It helps in wall applications and comes in 2400mm x 1200mm.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eOffers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.\u003c\/li\u003e\n\u003cli\u003eOffers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.\u003c\/li\u003e\n\u003cli\u003eProvides reliable long-term energy savings for buildings.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both new build and refurbishment projects.\u003c\/li\u003e\n\u003cli\u003eCan be easily used to upgrade to current building regulation standards.\u003c\/li\u003e\n\u003cli\u003eCan be used in pitched roof, flat roof and wall applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe 'underneath' layer of insulation in between and under rafter and joist applications.\u003c\/li\u003e\n\u003cli\u003eSolid masonry walls.\u003c\/li\u003e\n\u003cli\u003eTimber frame lining applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223055995073,"sku":"PL4025","price":39.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/PL4000_11a73f11-063e-4fcf-819e-3b5e817d2208.png?v=1700140736"},{"product_id":"celotex-pl4000-52-5mm","title":"Celotex PL4040 | SopraTherm PL4040 52.5mm 2.4m x 1.2m","description":"\n\u003cp style=\"text-align: justify;\"\u003eShop a cheaper alternative product - \u003cstrong\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/warmline-pir-insulated-plasterboard-all-sizes?variant=31733103394912\"\u003eWarmline PIR Insulated Plasterboard 1.2m x 2.4m\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eManufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents with zero ozone depletion potential (zero ODP) and low global warming potential. It helps in reducing installation time, by allowing both the insulation and plasterboard in one operation. It helps in-wall applications and comes in 2400mm x 1200mm.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eOffers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.\u003c\/li\u003e\n\u003cli\u003eCelotex plasterboard is suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.\u003c\/li\u003e\n\u003cli\u003eOffers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.\u003c\/li\u003e\n\u003cli\u003eProvides reliable long-term energy savings for buildings.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both new build and refurbishment projects.\u003c\/li\u003e\n\u003cli\u003eCan be easily used to upgrade to current building regulation standards.\u003c\/li\u003e\n\u003cli\u003eCan be used in a pitched roof, flat roof and wall applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe 'underneath' layer of insulation in between and under rafter and joist applications.\u003c\/li\u003e\n\u003cli\u003eSolid masonry walls.\u003c\/li\u003e\n\u003cli\u003eTimber frame lining applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223056126145,"sku":"PL4040","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/PL4000_d413351d-06a1-495e-8315-edba5ab72b86.png?v=1700140190"},{"product_id":"celotex-pl4000-62-5mm","title":"Celotex PL4050 | SopraTherm PL4050 62.5mm 2.4m x 1.2m","description":"\u003cp style=\"text-align: justify;\"\u003eShop a cheaper alternative product - \u003cstrong\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/warmline-pir-insulated-plasterboard-all-sizes?variant=31733103132768\"\u003eWarmline PIR Insulated Plasterboard 1.2m x 2.4m\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eManufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents with zero ozone depletion potential (zero ODP) and low global warming potential. It helps in reducing installation time, by allowing both the insulation and plasterboard in one operation. Celotex plasterboard helps in-wall applications and comes in 2400mm x 1200mm.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eCelotex Plasterboard Offers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.\u003c\/li\u003e\n\u003cli\u003eOffers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.\u003c\/li\u003e\n\u003cli\u003eProvides reliable long-term energy savings for buildings.\u003c\/li\u003e\n\u003cli\u003eCelotex plasterboard is suitable for both new build and refurbishment projects.\u003c\/li\u003e\n\u003cli\u003eCan be easily used to upgrade to current building regulation standards.\u003c\/li\u003e\n\u003cli\u003eCan be used in a pitched roof, flat roof and wall applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe 'underneath' layer of insulation in between and under rafter and joist applications.\u003c\/li\u003e\n\u003cli\u003eSolid masonry walls.\u003c\/li\u003e\n\u003cli\u003eTimber frame lining applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223056355521,"sku":"PL4050","price":53.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/PL4000_ef8cb897-f46e-48d3-be1e-31a9f9afff49.png?v=1700140549"},{"product_id":"celotex-pl4000-72-5mm","title":"Celotex PL4060 | SopraTherm PL4060 72.5mm 2.4m x 1.2m","description":"\n\u003cp style=\"text-align: justify;\"\u003eShop a cheaper alternative product - \u003cstrong\u003e\u003ca href=\"https:\/\/build4less.co.uk\/products\/warmline-pir-insulated-plasterboard-all-sizes?variant=31733103198304\"\u003eWarmline PIR Insulated Plasterboard 1.2m x 2.4m\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eManufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents with zero ozone depletion potential (zero ODP) and low global warming potential. It helps in reducing installation time, by allowing both the insulation and plasterboard in one operation. It helps in wall applications and comes in 2400mm x 1200mm.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eOffers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.\u003c\/li\u003e\n\u003cli\u003eOffers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.\u003c\/li\u003e\n\u003cli\u003eProvides reliable long-term energy savings for buildings.\u003c\/li\u003e\n\u003cli\u003eIs suitable for both new build and refurbishment projects.\u003c\/li\u003e\n\u003cli\u003eCan be easily used to upgrade to current building regulation standards.\u003c\/li\u003e\n\u003cli\u003eCan be used in pitched roof, flat roof and wall applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eThe 'underneath' layer of insulation in between and under rafter and joist applications.\u003c\/li\u003e\n\u003cli\u003eSolid masonry walls.\u003c\/li\u003e\n\u003cli\u003eTimber frame lining applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":42223056453825,"sku":"PL4060","price":59.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/PL4000_ff889f5e-41f7-42c2-bfba-5f8bc40b09ff.png?v=1700140370"},{"product_id":"pallet-of-75mm-celotex-1200mm-x-2400mm-ga4000-15-boards-per-pallet","title":"Pallet of 75mm Celotex 1200mm x 2400mm GA4000 (15 Boards per Pallet)","description":"\u003cdiv style=\"border: 2px solid #1f4e79; border-radius: 6px; overflow: hidden; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background-color: #1f4e79; color: #ffffff; padding: 12px 16px; font-size: 18px; font-weight: bold; text-align: center;\"\u003eDelivery Area – Please Check Before Ordering\u003c\/div\u003e\n\u003cdiv style=\"padding: 14px 16px; background-color: #f7f9fb;\"\u003e\n\u003cp style=\"margin: 0 0 14px 0; text-align: center;\"\u003e\u003cstrong\u003eThis product is only available for delivery to the postcode areas listed below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eEN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eNW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eSG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eUB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eWD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCM17–CM24\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHP1–HP4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eIP24–IP29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eLU1–LU6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eMK (except MK18)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE1–PE8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE19\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE26–PE29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\" colspan=\"2\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eStock Clearance - Limited Availability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is supplied as a pallet of 15 Celotex GA4000 insulation boards, each measuring 2400mm x 1200mm x 75mm.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is a high-performance, general-purpose PIR insulation board suitable for a wide range of floor, wall and roof applications. At 75mm thick, it provides excellent thermal performance while remaining straightforward to incorporate into a variety of construction build-ups.\u003c\/p\u003e\n\u003cp\u003eThe boards can be used in applications including pitched and flat roofs, concrete slab floors, suspended timber floors, cavity walls, internal wall linings and external wall sheathing. Celotex GA4000 features low-emissivity foil facings on both sides, helping to enhance thermal performance when incorporated into an appropriately designed construction.\u003c\/p\u003e\n\u003cp\u003eManufactured from rigid polyisocyanurate (PIR), Celotex GA4000 provides a low thermal conductivity of 0.022 W\/mK, allowing significant improvements in thermal performance. The 75mm thickness offers a strong balance between insulation performance and construction depth, making it suitable for both new-build and refurbishment projects.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is lightweight and easy to handle, helping to simplify transportation, cutting and installation on site. Despite its low weight, the rigid PIR core provides good durability and dimensional stability for long-term use when correctly specified and installed.\u003c\/p\u003e\n\u003cp\u003eThe insulation is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP), helping it contribute towards more energy-efficient building construction.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied as a pallet of 15 boards\u003c\/li\u003e\n\u003cli\u003e75mm thick rigid PIR insulation board\u003c\/li\u003e\n\u003cli\u003eThermal conductivity of 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003eSuitable for floors, walls and roofs\u003c\/li\u003e\n\u003cli\u003eExcellent thermal performance\u003c\/li\u003e\n\u003cli\u003eLow-emissivity foil facings on both sides\u003c\/li\u003e\n\u003cli\u003eLightweight and easy to handle\u003c\/li\u003e\n\u003cli\u003eEasy to cut and install\u003c\/li\u003e\n\u003cli\u003eHigh thermal performance relative to thickness\u003c\/li\u003e\n\u003cli\u003eDurable rigid construction\u003c\/li\u003e\n\u003cli\u003eHelps reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli\u003eZero Ozone Depletion Potential (ODP)\u003c\/li\u003e\n\u003cli\u003eLow Global Warming Potential (GWP)\u003c\/li\u003e\n\u003cli\u003eSuitable for new-build and refurbishment projects\u003c\/li\u003e\n\u003cli\u003eCan help reduce thermal bridging and cold spots when correctly installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Celotex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e GA4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 15 boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2400mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1200mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyisocyanurate (PIR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity:\u003c\/strong\u003e 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFacing:\u003c\/strong\u003e Low-emissivity aluminium foil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Type:\u003c\/strong\u003e Rigid insulation board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Floors, walls and roofs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e75mm Celotex GA4000 can be used across a variety of construction applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePitched roof insulation\u003c\/li\u003e\n\u003cli\u003eFlat roof insulation\u003c\/li\u003e\n\u003cli\u003eConcrete slab floors\u003c\/li\u003e\n\u003cli\u003eSuspended timber floors\u003c\/li\u003e\n\u003cli\u003eCavity wall applications\u003c\/li\u003e\n\u003cli\u003eInternal wall insulation\u003c\/li\u003e\n\u003cli\u003eExternal wall sheathing\u003c\/li\u003e\n\u003cli\u003eTimber frame construction\u003c\/li\u003e\n\u003cli\u003eRefurbishment and renovation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 75mm profile provides a substantial layer of insulation while remaining suitable for a wide range of floor, wall and roof build-ups. It can be used as a primary insulation layer or as part of a multi-layer system designed to achieve improved thermal performance.\u003c\/p\u003e\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\u003cp\u003eCelotex GA4000 should be stored flat in a dry, covered location and protected from moisture and prolonged exposure to weather conditions. Boards should be kept clear of the ground and stored away from sources of physical damage.\u003c\/p\u003e\n\u003cp\u003eIf temporary outdoor storage is unavoidable, the boards should be completely covered with suitable waterproof sheeting while allowing adequate ventilation.\u003c\/p\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eCelotex GA4000 is manufactured to recognised industry standards and is suitable for use in a variety of building applications when installed in accordance with the manufacturer's recommendations.\u003c\/p\u003e\n\u003cp\u003eCelotex insulation products have also achieved favourable environmental ratings within the BRE Green Guide for applicable constructions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is PIR insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR, or polyisocyanurate, is a rigid insulation material widely used in modern construction. It provides excellent thermal performance with relatively little thickness, making it suitable for a wide variety of floor, wall and roof applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications can 75mm Celotex GA4000 be used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e75mm Celotex GA4000 can be used for a variety of floor, wall and roof applications, including pitched roofs, flat roofs, concrete floors, timber floors, cavity walls and internal wall insulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the thermal conductivity of Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 has a thermal conductivity of \u003cstrong\u003e0.022 W\/mK\u003c\/strong\u003e, providing high thermal resistance relative to the thickness of the board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy would I choose 75mm Celotex insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 75mm board provides a substantial level of thermal insulation while remaining practical for use across a wide range of construction applications. It is a useful choice where improved thermal performance is required in floors, walls or roofs without using an excessively thick insulation layer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Celotex GA4000 be used for both internal and external applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Depending on the construction specification, Celotex GA4000 can be incorporated into both internal and external building elements, including floors, walls and roofing systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 easy to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The boards are lightweight, rigid and relatively easy to cut to size using suitable hand tools. Accurate cutting and tightly fitted joints are important for achieving the best possible thermal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tools are required to cut Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe boards can typically be cut using a fine-toothed saw or an appropriate insulation cutting tool. Suitable measuring equipment and PPE should also be used during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Celotex GA4000 resist moisture?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR insulation has good resistance to moisture, and the foil facings provide additional protection. However, the boards should still be stored and installed in accordance with Celotex guidance and should not be left exposed to persistent moisture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 environmentally friendly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Its high thermal performance can also help reduce building heat loss and associated energy consumption over the life of the construction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does Celotex GA4000 insulation last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen correctly specified, installed and protected within the building construction, rigid PIR insulation can provide effective thermal performance for the lifetime of the building.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 fireproof?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Celotex GA4000 should not be described as fireproof. It is a combustible PIR insulation product and should be installed as part of a properly designed construction that meets the relevant fire safety and building regulation requirements.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":62570213081475,"sku":"75 Celotex Pal","price":417.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/fe2ab766-6bd0-40f1-a7d2-6aead2837a6c_6419394b-02d2-4aa7-b574-7d948e617ba3.png?v=1788863359"},{"product_id":"pallet-of-40mm-celotex-1200mm-x-2400mm-ga4000-30-boards-per-pallet","title":"Pallet of 40mm Celotex 1200mm x 2400mm GA4000 (30 Boards per Pallet)","description":"\u003cdiv style=\"border: 2px solid #1f4e79; border-radius: 6px; overflow: hidden; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background-color: #1f4e79; color: #ffffff; padding: 12px 16px; font-size: 18px; font-weight: bold; text-align: center;\"\u003eDelivery Area – Please Check Before Ordering\u003c\/div\u003e\n\u003cdiv style=\"padding: 14px 16px; background-color: #f7f9fb;\"\u003e\n\u003cp style=\"margin: 0 0 14px 0; text-align: center;\"\u003e\u003cstrong\u003eThis product is only available for delivery to the postcode areas listed below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eEN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eNW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eSG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eUB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eWD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCM17–CM24\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHP1–HP4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eIP24–IP29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eLU1–LU6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eMK (except MK18)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE1–PE8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE19\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE26–PE29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\" colspan=\"2\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003eStock Clearance - Limited Availability\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis product is supplied as a pallet of 30 Celotex GA4000 insulation boards, each measuring 2400mm x 1200mm x 40mm.\u003c\/p\u003e\n\n\u003cp\u003eCelotex GA4000 is a high-performance, general-purpose PIR insulation board suitable for a wide range of floor, wall and roof applications. At 40mm thick, it provides an effective solution where improved thermal performance is required while keeping the overall insulation build-up relatively slim.\u003c\/p\u003e\n\n\u003cp\u003eThe boards can be used in applications including pitched and flat roofs, concrete slab floors, suspended timber floors, cavity walls, internal wall linings and external wall sheathing. Celotex GA4000 features low-emissivity foil facings on both sides, helping to enhance thermal performance when incorporated into an appropriately designed construction.\u003c\/p\u003e\n\n\u003cp\u003eManufactured from rigid polyisocyanurate (PIR), Celotex GA4000 provides a low thermal conductivity of 0.022 W\/mK, allowing significant improvements in thermal performance from a relatively thin insulation layer. The 40mm thickness makes it particularly suitable for refurbishment projects, supplementary insulation layers and applications where available installation depth is restricted.\u003c\/p\u003e\n\n\u003cp\u003eCelotex GA4000 is lightweight and easy to handle, helping to simplify transportation, cutting and installation on site. Despite its low weight, the rigid PIR core provides good durability and dimensional stability for long-term use when correctly specified and installed.\u003c\/p\u003e\n\n\u003cp\u003eThe insulation is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP), helping it contribute towards more energy-efficient building construction.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied as a pallet of 30 boards\u003c\/li\u003e\n\u003cli\u003e40mm thick rigid PIR insulation board\u003c\/li\u003e\n\u003cli\u003eThermal conductivity of 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003eSuitable for floors, walls and roofs\u003c\/li\u003e\n\u003cli\u003eIdeal where installation depth is limited\u003c\/li\u003e\n\u003cli\u003eLow-emissivity foil facings on both sides\u003c\/li\u003e\n\u003cli\u003eLightweight and easy to handle\u003c\/li\u003e\n\u003cli\u003eEasy to cut and install\u003c\/li\u003e\n\u003cli\u003eHigh thermal performance relative to thickness\u003c\/li\u003e\n\u003cli\u003eDurable rigid construction\u003c\/li\u003e\n\u003cli\u003eHelps reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli\u003eZero Ozone Depletion Potential (ODP)\u003c\/li\u003e\n\u003cli\u003eLow Global Warming Potential (GWP)\u003c\/li\u003e\n\u003cli\u003eSuitable for new-build and refurbishment projects\u003c\/li\u003e\n\u003cli\u003eCan help reduce thermal bridging and cold spots when correctly installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Celotex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e GA4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 30 boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2400mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1200mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyisocyanurate (PIR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity:\u003c\/strong\u003e 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFacing:\u003c\/strong\u003e Low-emissivity aluminium foil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Type:\u003c\/strong\u003e Rigid insulation board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Floors, walls and roofs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003e40mm Celotex GA4000 can be used across a variety of construction applications, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePitched roof insulation\u003c\/li\u003e\n\u003cli\u003eFlat roof insulation\u003c\/li\u003e\n\u003cli\u003eConcrete slab floors\u003c\/li\u003e\n\u003cli\u003eSuspended timber floors\u003c\/li\u003e\n\u003cli\u003eCavity wall applications\u003c\/li\u003e\n\u003cli\u003eInternal wall insulation\u003c\/li\u003e\n\u003cli\u003eExternal wall sheathing\u003c\/li\u003e\n\u003cli\u003eTimber frame construction\u003c\/li\u003e\n\u003cli\u003eRefurbishment and renovation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIts relatively slim 40mm profile makes it especially useful where available space is restricted or where an additional layer of insulation is required to improve the thermal performance of an existing construction.\u003c\/p\u003e\n\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\n\u003cp\u003eCelotex GA4000 should be stored flat in a dry, covered location and protected from moisture and prolonged exposure to weather conditions. Boards should be kept clear of the ground and stored away from sources of physical damage.\u003c\/p\u003e\n\n\u003cp\u003eIf temporary outdoor storage is unavoidable, the boards should be completely covered with suitable waterproof sheeting while allowing adequate ventilation.\u003c\/p\u003e\n\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\n\u003cp\u003eCelotex GA4000 is manufactured to recognised industry standards and is suitable for use in a variety of building applications when installed in accordance with the manufacturer's recommendations.\u003c\/p\u003e\n\n\u003cp\u003eCelotex insulation products have also achieved favourable environmental ratings within the BRE Green Guide for applicable constructions.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is PIR insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR, or polyisocyanurate, is a rigid insulation material widely used in modern construction. It provides excellent thermal performance with relatively little thickness, making it particularly useful where available installation space is limited.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat applications can 40mm Celotex GA4000 be used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e40mm Celotex GA4000 can be used for a variety of floor, wall and roof applications, including pitched roofs, flat roofs, concrete floors, timber floors, cavity walls and internal wall insulation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the thermal conductivity of Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 has a thermal conductivity of \u003cstrong\u003e0.022 W\/mK\u003c\/strong\u003e, providing high thermal resistance relative to the thickness of the board.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy would I choose 40mm Celotex insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 40mm board offers a useful balance between thermal performance and overall construction depth. It is particularly suitable where additional insulation is required but there is limited space available within a floor, wall or roof build-up.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan Celotex GA4000 be used for both internal and external applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Depending on the construction specification, Celotex GA4000 can be incorporated into both internal and external building elements, including floors, walls and roofing systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 easy to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The boards are lightweight, rigid and relatively easy to cut to size using suitable hand tools. Accurate cutting and tightly fitted joints are important for achieving the best possible thermal performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat tools are required to cut Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe boards can typically be cut using a fine-toothed saw or an appropriate insulation cutting tool. Suitable measuring equipment and PPE should also be used during installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes Celotex GA4000 resist moisture?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR insulation has good resistance to moisture, and the foil facings provide additional protection. However, the boards should still be stored and installed in accordance with Celotex guidance and should not be left exposed to persistent moisture.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 environmentally friendly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Its high thermal performance can also help reduce building heat loss and associated energy consumption over the life of the construction.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does Celotex GA4000 insulation last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen correctly specified, installed and protected within the building construction, rigid PIR insulation can provide effective thermal performance for the lifetime of the building.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 fireproof?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Celotex GA4000 should not be described as fireproof. It is a combustible PIR insulation product and should be installed as part of a properly designed construction that meets the relevant fire safety and building regulation requirements.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":62570213376387,"sku":"40 Celotex Pal","price":537.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/fe2ab766-6bd0-40f1-a7d2-6aead2837a6c.png?v=1788863359"},{"product_id":"pallet-of-25mm-celotex-1200mm-x-2400mm-ga4000-48-boards-per-pallet","title":"Pallet of 25mm Celotex 1200mm x 2400mm GA4000 (48 Boards per Pallet)","description":"\u003cdiv style=\"border: 2px solid #1f4e79; border-radius: 6px; overflow: hidden; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background-color: #1f4e79; color: #ffffff; padding: 12px 16px; font-size: 18px; font-weight: bold; text-align: center;\"\u003eDelivery Area – Please Check Before Ordering\u003c\/div\u003e\n\u003cdiv style=\"padding: 14px 16px; background-color: #f7f9fb;\"\u003e\n\u003cp style=\"margin: 0 0 14px 0; text-align: center;\"\u003e\u003cstrong\u003eThis product is only available for delivery to the postcode areas listed below.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eEN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eNW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eSG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eUB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eWD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCM17–CM24\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eHP1–HP4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eIP24–IP29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eLU1–LU6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eMK (except MK18)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE1–PE8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE19\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003ePE26–PE29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border: 1px solid #dddddd;\" colspan=\"2\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eStock Clearance - Limited Availability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is supplied as a pallet of 48 Celotex GA4000 insulation boards, each measuring 2400mm x 1200mm x 25mm.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is a high-performance, general-purpose PIR insulation board suitable for a wide range of floor, wall and roof applications. At 25mm thick, it provides an effective solution where additional thermal insulation is required without taking up excessive space within the building structure.\u003c\/p\u003e\n\u003cp\u003eThe boards can be used in applications including pitched and flat roofs, concrete slab floors, timber floors, cavity walls, internal wall linings and external wall sheathing. Celotex GA4000 features low-emissivity foil facings on both sides, helping to improve thermal performance when used alongside an appropriate airspace.\u003c\/p\u003e\n\u003cp\u003eManufactured from rigid polyisocyanurate (PIR), Celotex GA4000 provides a low thermal conductivity of 0.022 W\/mK, allowing useful improvements in thermal performance from a relatively thin insulation layer. The 25mm thickness makes it particularly suitable for refurbishment projects, restricted spaces and applications where maintaining internal floor or wall dimensions is important.\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is lightweight and easy to handle, helping to simplify transportation, cutting and installation on site. Despite its low weight, the rigid PIR core provides excellent durability and dimensional stability for long-term use when correctly installed.\u003c\/p\u003e\n\u003cp\u003eThe insulation is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP), helping it contribute towards more energy-efficient building construction.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied as a pallet of 48 boards\u003c\/li\u003e\n\u003cli\u003e25mm thick rigid PIR insulation board\u003c\/li\u003e\n\u003cli\u003eThermal conductivity of 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003eSuitable for floors, walls and roofs\u003c\/li\u003e\n\u003cli\u003eIdeal for areas with limited available space\u003c\/li\u003e\n\u003cli\u003eLow-emissivity foil facings\u003c\/li\u003e\n\u003cli\u003eLightweight and easy to handle\u003c\/li\u003e\n\u003cli\u003eEasy to cut and install\u003c\/li\u003e\n\u003cli\u003eHigh thermal performance relative to thickness\u003c\/li\u003e\n\u003cli\u003eDurable rigid construction\u003c\/li\u003e\n\u003cli\u003eHelps reduce heat loss and improve energy efficiency\u003c\/li\u003e\n\u003cli\u003eZero Ozone Depletion Potential (ODP)\u003c\/li\u003e\n\u003cli\u003eLow Global Warming Potential (GWP)\u003c\/li\u003e\n\u003cli\u003eSuitable for new-build and refurbishment projects\u003c\/li\u003e\n\u003cli\u003eHelps reduce thermal bridging and cold spots\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Celotex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e GA4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 48 boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2400mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1200mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyisocyanurate (PIR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity:\u003c\/strong\u003e 0.022 W\/mK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFacing:\u003c\/strong\u003e Low-emissivity aluminium foil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Type:\u003c\/strong\u003e Rigid insulation board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Floors, walls and roofs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e25mm Celotex GA4000 can be used across a variety of construction applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePitched roof insulation\u003c\/li\u003e\n\u003cli\u003eFlat roof insulation\u003c\/li\u003e\n\u003cli\u003eConcrete slab floors\u003c\/li\u003e\n\u003cli\u003eSuspended timber floors\u003c\/li\u003e\n\u003cli\u003eCavity wall applications\u003c\/li\u003e\n\u003cli\u003eInternal wall insulation\u003c\/li\u003e\n\u003cli\u003eExternal wall sheathing\u003c\/li\u003e\n\u003cli\u003eTimber frame construction\u003c\/li\u003e\n\u003cli\u003eRefurbishment and renovation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts relatively slim 25mm profile makes it especially useful where space is restricted or where a supplementary layer of insulation is required.\u003c\/p\u003e\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\u003cp\u003eCelotex GA4000 should be stored flat in a dry, covered location and protected from moisture and prolonged exposure to weather conditions. Boards should be kept clear of the ground and stored away from sources of damage.\u003c\/p\u003e\n\u003cp\u003eIf temporary outdoor storage is unavoidable, the boards should be completely covered with suitable waterproof sheeting while allowing adequate ventilation.\u003c\/p\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eCelotex GA4000 is manufactured to recognised industry standards and is suitable for use in a variety of building applications when installed in accordance with the manufacturer's recommendations.\u003c\/p\u003e\n\u003cp\u003eCelotex insulation products have also achieved favourable environmental ratings within the BRE Green Guide for applicable constructions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is PIR insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR, or polyisocyanurate, is a rigid insulation material widely used in modern construction. It provides excellent thermal performance with relatively little thickness, making it particularly useful where available installation space is limited.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications can 25mm Celotex GA4000 be used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e25mm Celotex GA4000 can be used for a variety of floor, wall and roof applications, including pitched roofs, flat roofs, concrete floors, timber floors, cavity walls and internal wall insulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the thermal conductivity of Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 has a thermal conductivity of \u003cstrong\u003e0.022 W\/mK\u003c\/strong\u003e, providing high thermal resistance relative to the thickness of the board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy would I choose 25mm Celotex insulation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 25mm board is particularly useful where installation depth is limited. It can provide additional insulation without significantly increasing the thickness of a floor, wall or roof construction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Celotex GA4000 be used for both internal and external applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Depending on the construction specification, Celotex GA4000 can be incorporated into both internal and external building elements, including floors, walls and roofing systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 easy to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The boards are lightweight, rigid and relatively easy to cut to size using suitable hand tools. Accurate cutting and tightly fitted joints are important for achieving the best thermal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tools are required to cut Celotex GA4000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe boards can typically be cut using a fine-toothed saw or appropriate insulation cutting tool. Suitable measuring equipment and PPE should also be used during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Celotex GA4000 resist moisture?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePIR insulation has good resistance to moisture, and the foil facings provide additional protection. However, the boards should still be stored and installed in accordance with Celotex guidance and should not be left exposed to persistent moisture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 environmentally friendly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCelotex GA4000 is manufactured using a blowing agent with zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Its high thermal performance can also help reduce energy consumption and associated heating costs over the life of a building.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does Celotex GA4000 insulation last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen correctly specified, installed and protected within the building construction, rigid PIR insulation can provide effective thermal performance for the lifetime of the building.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Celotex GA4000 fireproof?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Celotex GA4000 should not be described as fireproof. It is a combustible PIR insulation product and should be installed as part of a properly designed construction that meets the relevant fire safety and building regulation requirements.\u003c\/p\u003e","brand":"Celotex","offers":[{"title":"Default Title","offer_id":62570213409155,"sku":"25 Celotex Pal","price":631.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/files\/fe2ab766-6bd0-40f1-a7d2-6aead2837a6c_fca3c3a1-82a4-43cc-ba5e-c53dfd39e838.png?v=1788863359"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/7290\/1216\/collections\/TB4000_3e647e68-b341-4f4a-943b-f0e1cbfc5507.png?v=1742162215","url":"https:\/\/build4less.co.uk\/collections\/celotex.oembed?page=2","provider":"Build4less","version":"1.0","type":"link"}