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Celotex TB4000 Thermal Bridging Board 1.2m x 2.4m - All Sizes
Vendor:CelotexfromStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Celotex GA4000 General Purpose PIR Insulation Board (All Sizes) 2.4m x 1.2m
Vendor:CelotexfromStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Celotex XR4000 Insulation Board 1.2m x 2.4m - All Sizes
Vendor:CelotexfromStandardFree Delivery over £300£360Regular price £47.32 £56.78Sale price £47.32 £56.78 Regular priceUnit price per£0.00 -
EcoTherm Eco-Versal 2.4m x 1.2m - All Thicknesses
Vendor:EcothermfromStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Recticel Eurothane GP (2.4m x 1.2m) All Sizes
Vendor:RecticelfromStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Mannok Therm PIR Insulation board 2.4m x 1.2m - All Sizes
Vendor:MannokfromStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Kingspan Thermafloor TF70 Floor Board (All Sizes) 2.4m x 1.2m
Vendor:KingspanfromStandardFree Delivery over £300£360Regular price £146.67 £176.00Sale price £146.67 £176.00 Regular priceUnit price per£0.00 -
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
Vendor:KingspanfromStandardFree Delivery over £300£360Regular price £341.88 £410.26Sale price £341.88 £410.26 Regular priceUnit price per£0.00 -
EPS 70 (All Sizes) 2400mm x 1200mm
Vendor:Build4lessfromRegular price £58.66 £70.39Sale price £58.66 £70.39 Regular priceUnit price per£0.00 -
Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
Vendor:DanosafromRegular price £45.78 £54.94Sale price £45.78 £54.94 Regular priceUnit price per£0.00 -
Kingspan GreenGuard GG300 (1.25m x 0.6m) All Sizes
Vendor:KingspanfromStandardFree Delivery over £300£360 -
Kingspan GreenGuard GG500 600mm x 1250mm - All Sizes
Vendor:KingspanfromStandardFree Delivery over £300£360Guide Price: £8.46 Guide Price: £10.15 -
Kingspan GreenGuard GG700 600mm x 1250mm - All Sizes
Vendor:KingspanfromStandardFree Delivery over £300£360POA -
EssentialsFoil Tape - All Sizes
Vendor:Build4lessfromEssentialsFree Delivery over £250£300Regular price £4.95 £5.94Sale price £4.95 £5.94 Regular priceUnit price per£0.00 -
Knauf OmniFit Slabs 35 (All Sizes)
Vendor:KnauffromStandardFree Delivery over £300£360Regular price £844.88 £1,013.86Sale price £844.88 £1,013.86 Regular priceUnit price per£0.00 -
Knauf OmniFit Roll 34 - All Sizes
Vendor:KnauffromStandardFree Delivery over £300£360Regular price £2,610.39 £3,132.47Sale price £2,610.39 £3,132.47 Regular priceUnit price per£0.00 -
Knauf OmniFit Roll - All Sizes
Vendor:KnauffromStandardFree Delivery over £300£360Regular price £1,316.63 £1,579.96Sale price £1,316.63 £1,579.96 Regular priceUnit price per£0.00 -
Karma Regupol Quietlay 2.25m x 1.15m x 5mm
Vendor:KarmaKarmaFree Delivery over £450£540Guide Price: £18.40 Guide Price: £22.08 -
Karma Acoustilay 1.2m x 1.2m - All Sizes
Vendor:KarmafromKarmaFree Delivery over £450£540Guide Price: £43.95 Guide Price: £52.74 -
BASF Styrodur XPS (1265mm x 615mm) All Sizes
Vendor:BASFfromStandardFree Delivery over £300£360Regular price £78.02 £93.62Sale price £78.02 £93.62 Regular priceUnit price per£0.00 -
Danosa Confordan Polyethylene Film - 15m x 0.95m
Vendor:DanosaRegular price £30.53 £36.64Sale price £30.53 £36.64 Regular priceUnit price per£0.00 -
Steico Flex 036 Wood Fibre Insulation Batts - All Sizes
Vendor:SteicofromRegular price £27.94 £33.53Sale price £27.94 £33.53 Regular priceUnit price per£0.00 -
Steico Special Dry Wood Fibre Sarking/Sheathing Board - All Sizes
Vendor:SteicofromRegular price £23.20 £27.84Sale price £23.20 £27.84 Regular priceUnit price per£0.00 -
Steico Universal Wood Fibre Sarking/Sheathing Board - All Sizes
Vendor:SteicofromRegular price £10.57 £12.68Sale price £10.57 £12.68 Regular priceUnit price per£0.00 -
Unilin Thin-R 2.4m x 1.2m - All Sizes
Vendor:UnilinfromUnilinFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 30mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £17.00 £20.40Sale price £17.00 £20.40 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 150mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £56.28 £67.54Sale price £56.28 £67.54 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 140mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £57.23 £68.68Sale price £57.23 £68.68 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 130mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £57.20 £68.64Sale price £57.20 £68.64 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 90mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £37.75 £45.30Sale price £37.75 £45.30 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 80mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £34.50 £41.40Sale price £34.50 £41.40 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 70mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £31.00 £37.20Sale price £31.00 £37.20 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 60mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £28.00 £33.60Sale price £28.00 £33.60 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 40mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £300£360Regular price £21.15 £25.38Sale price £21.15 £25.38 Regular priceUnit price per£0.00 -
Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12)
Vendor:CelotexStandardFree Delivery over £300£360Regular price £1,295.00 £1,554.00Sale price £1,295.00 £1,554.00 Regular priceUnit price per£0.00 -
25mm Celotex TB4025 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £300£360Regular price £14.50 £17.40Sale price £14.50 £17.40 Regular priceUnit price per£0.00
Floor Insulation | Insulation boards
Welcome to our Floor Insulation category at Build4Less Here, you'll find a comprehensive range of floor insulation solutions catering to various needs and preferences. Let's explore the different types of floor insulation available and guide you in selecting the perfect fit for your project.
Polyisocyanurate (PIR) Insulation Boards
Our PIR Insulation Boards, such as Celotex GA4000, TB4000, XR4000, and Mannok Therm PIR, are renowned for their thermal efficiency. These boards are versatile, making them suitable for multiple applications, including underfloor heating systems. Their rigid structure provides excellent load-bearing capacity, ideal for floors that experience regular foot traffic.
Expanded Polystyrene (EPS) Insulation
EPS 70 offers a cost-effective insulation solution with good thermal properties. This lightweight material is easy to handle and install, making it a popular choice for DIY enthusiasts and professionals alike. It's particularly effective in areas where moisture resistance and durability are key considerations.
Kingspan Insulation Boards
Kingspan Thermafloor TF70 and Kooltherm K103 boards are premium options known for their exceptional thermal performance. These boards are thinner than traditional insulation materials, providing more space without compromising on insulation quality.
Specialized Acoustic Insulation
For those looking to reduce noise transmission, our Karma Acoustilay and Regupol Quietlay products are ideal. They are specifically designed to enhance acoustic insulation in floors, making them perfect for apartments, studios, and offices.
Extruded Polystyrene (XPS) Insulation
Products like Danosa Danopren TR XPS and BASF Styrodur XPS are excellent for high-load applications. These insulations offer superior moisture resistance and strength, ideal for basements and areas prone to dampness.
Mineral Wool Insulation
Knauf OmniFit Slabs and Rolls provide robust thermal and acoustic insulation. These are versatile and can be used in various applications, including floor insulation. They are particularly useful in environmentally conscious projects due to their sustainable composition.
Advanced Insulation Solutions
For cutting-edge insulation needs, Spacetherm Blanket and Eco-versal offer high-performance options. These materials are designed for maximum efficiency in thermal insulation, making them suitable for high-specification projects.
Accessories
We also offer essential accessories like Foil Tape to ensure a complete and effective insulation installation.
Choosing the Right Floor Insulation
- Thermal Performance: Consider the U-value you need to achieve and choose a product that meets these requirements.
- Application Area: For underfloor heating, opt for high compressive strength products like PIR boards. For noise-sensitive areas, go for acoustic insulation.
- Environmental Conditions: In damp areas, choose moisture-resistant options like XPS.
- Space Constraints: If space is limited, consider thinner, high-performance options like Kingspan boards.
Remember, our range covers various sizes and thicknesses to cater to different project scales and requirements.
To achieve the best thermal performance and long-term durability, it’s important to pair your floor insulation with the right supporting products. For a smooth and professional finish, explore our range of Insulated Plasterboard, which combines insulation and plasterboard in one solution—ideal for improving thermal efficiency across your interior spaces.
If you're working on structural or subfloor preparation, our Concrete Blocks provide a strong and reliable base, helping to support insulation systems in both residential and commercial builds. For additional insulation across walls and roofs, consider our high-performance Celotex Insulation Boards, designed to deliver excellent thermal resistance.
By combining these materials with your floor insulation, you can create a fully integrated insulation system that maximises energy efficiency and comfort throughout your property.
Frequently Asked Questions – Floor Insulation
What is floor insulation and why is it important?
Floor insulation involves adding insulating material beneath or above your floor structure to reduce heat loss. It helps keep your home warmer, improves comfort, and lowers energy bills by preventing heat from escaping into the ground.
Do I need floor insulation in all rooms?
Not always. Floor insulation is most beneficial for ground floors or floors above unheated spaces such as garages or basements. Upper floors usually don’t require insulation unless heat loss is a concern.
Is floor insulation suitable for older properties?
Yes, floor insulation can be installed in both new builds and older properties. For older homes, it is often added between timber joists or as a floating floor system above existing concrete floors.
Does floor insulation improve comfort?
Yes, insulating your floor helps maintain a consistent indoor temperature, making rooms feel warmer in winter and cooler in summer, while also reducing draughts.
How long does floor insulation last?
Most insulation materials are designed to last for decades when properly installed, providing long-term energy savings and performance.
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