Collection: Slab Insulation
We offer a wide range of high-quality slab insulation products to help keep your home warm and comfortable all year round. Our selection of products includes both internal and external insulation, so you can choose the right type of product for your needs. We also offer a variety of different thicknesses to suit your budget and requirements. Whether you're looking for something to insulate your walls or floors, we're sure to have the right product for you. Browse our extensive range of slab insulation today. You won't be disappointed.
Collection: Slab Insulation
We offer a wide range of high-quality slab insulation products to help keep your home warm and comfortable all year round. Our selection of products includes both internal and external insulation, so you can choose the right type of product for your needs. We also offer a variety of different thicknesses to suit your budget and requirements. Whether you're looking for something to insulate your walls or floors, we're sure to have the right product for you. Browse our extensive range of slab insulation today. You won't be disappointed.
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Resonate ResoDeck Direct Acoustic Floor Panel - 37mm x 2400mm x 600mm
Vendor:Resonate SystemsRegular price £36.47 £43.76Sale price £36.47 £43.76 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 50mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £21.50 £25.80Sale price £21.50 £25.80 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 150mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £53.00 £63.60Sale price £53.00 £63.60 Regular priceUnit price per£0.00 -
Express Delivery
60mm Celotex GA4060 | SopraTherm GA4060 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £380£456Regular price £26.30 £31.56Sale price £26.30 £31.56 Regular priceUnit price per£0.00 -
Express Delivery
110mm Celotex XR4110 | SopraTherm XR4110 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £380£456Regular price £46.70 £56.04Sale price £46.70 £56.04 Regular priceUnit price per£0.00 -
Express Delivery
150mm Celotex XR4150 | SopraTherm XR4150 2.4m X 1.2m
Vendor:CelotexStandardFree Delivery over £380£456Regular price £53.00 £63.60Sale price £53.00 £63.60 Regular priceUnit price per£0.00 -
Black Mountain Natuwool Batts 1200mm x 600mm x 150mm
Vendor:Black MountainStandardFree Delivery over £380£456Regular price £53.12 £63.74Sale price £53.12 £63.74 Regular priceUnit price per£0.00 -
Party Wall DPC Horizontal - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £107.27 £128.72Sale price £107.27 £128.72 Regular priceUnit price per£0.00 -
Fire Stop Slab - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £278.76 £334.51Sale price £278.76 £334.51 Regular priceUnit price per£0.00 -
OPTIM-R Roofing System
Vendor:KingspanStandardFree Delivery over £380£456POA -
Profloor Excel Deck 31 Hi-Load 31mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £41.14 £49.37Sale price £41.14 £49.37 Regular priceUnit price per£0.00 -
Rockwool RW3 (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £380£456Regular price £402.45 £482.94Sale price £402.45 £482.94 Regular priceUnit price per£0.00 -
Knauf RS60 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £380£456Regular price £431.34 £517.61Sale price £431.34 £517.61 Regular priceUnit price per£0.00 -
Celotex CW4075 | SopraTherm CW4075 75mm x 1200mm x 450mm
Vendor:CelotexStandardFree Delivery over £380£456Regular price £62.25 £74.70Sale price £62.25 £74.70 Regular priceUnit price per£0.00 -
Celotex CW4085 | SopraTherm CW4085 85mm (Pallet Of 112 Sheets)
Vendor:CelotexStandardFree Delivery over £380£456Regular price £1,330.00 £1,596.00Sale price £1,330.00 £1,596.00 Regular priceUnit price per£0.00 -
Express Delivery
100mm Celotex GA4100 | SopraTherm GA4100 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £380£456Regular price £35.40 £42.48Sale price £35.40 £42.48 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 25mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £13.94 £16.73Sale price £13.94 £16.73 Regular priceUnit price per£0.00 -
Profloor Solo Deck 23 23mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £32.74 £39.29Sale price £32.74 £39.29 Regular priceUnit price per£0.00 -
Profloor Micro Deck 17 Hi-Load 1.2m x 600mm x 17mm
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £20.56 £24.67Sale price £20.56 £24.67 Regular priceUnit price per£0.00 -
Timber Cavity Barrier (TCB) Yellow 120mm x 1200mm - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £99.25 £119.10Sale price £99.25 £119.10 Regular priceUnit price per£0.00 -
Karma Soundlay Plus
Vendor:KarmafromRegular price £49.91 £59.89Sale price £49.91 £59.89 Regular priceUnit price per£0.00 -
Rockwool RWA45 (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £380£456Regular price £23.40 £28.08Sale price £23.40 £28.08 Regular priceUnit price per£0.00 -
Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
Vendor:DanosafromDanosa XPSFree Delivery over £2,000£2,400Regular price £48.22 £57.86Sale price £48.22 £57.86 Regular priceUnit price per£0.00 -
Party Wall DPC Vertical - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £104.99 £125.99Sale price £104.99 £125.99 Regular priceUnit price per£0.00 -
Karma Acoustic Barrier WB
Vendor:KarmafromRegular price £21.43 £25.72Sale price £21.43 £25.72 Regular priceUnit price per£0.00 -
Rockwool Cavity (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £380£456Regular price £700.94 £841.13Sale price £700.94 £841.13 Regular priceUnit price per£0.00 -
Kingspan GreenGuard GG300 (1.25m x 0.6m) All Sizes
Vendor:KingspanfromStandardFree Delivery over £380£456Regular price £62.33 £74.80Sale price £62.33 £74.80 Regular priceUnit price per£0.00 -
Spandrel Barrier - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £291.97 £350.36Sale price £291.97 £350.36 Regular priceUnit price per£0.00 -
Knauf RS140 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £380£456POA -
Knauf RS100 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £380£456Regular price £674.60 £809.52Sale price £674.60 £809.52 Regular priceUnit price per£0.00 -
Fire Stop Full Slab - 100 x 600 x 1200mm
Vendor:ARCARCFree Delivery over £450£540Regular price £63.41 £76.09Sale price £63.41 £76.09 Regular priceUnit price per£0.00 -
Kingspan Kooltherm K106 90mm x 1.2m x 0.45m (2.16m2)
Vendor:KingspanStandardFree Delivery over £380£456Regular price £96.45 £115.74Sale price £96.45 £115.74 Regular priceUnit price per£0.00 -
Party Wall TCB White - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £73.57 £88.28Sale price £73.57 £88.28 Regular priceUnit price per£0.00 -
Knauf EPS Thermal Laminate 1.2m x 2.4m T/E - All Sizes
Vendor:KnauffromStandardFree Delivery over £380£456Regular price £782.27 £938.72Sale price £782.27 £938.72 Regular priceUnit price per£0.00 -
Profloor Dynamic Deck 26 Hi-Load 26mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £40.17 £48.20Sale price £40.17 £48.20 Regular priceUnit price per£0.00 -
Karma Soundlay 9mm x 1200 x 1000mm
Vendor:KarmaRegular price £22.94 £27.53Sale price £22.94 £27.53 Regular priceUnit price per£0.00
Slab insulation is a critical component in modern construction, offering effective thermal and acoustic insulation in various building applications. At Build4Less, our Slab Insulation category encompasses a wide range of products, each tailored to specific requirements and use cases.
Types of Slab Insulation
Knauf Slabs
Knauf offers a variety of slab insulation products, known for their flexibility and versatility. Products like the Rocksilk Flexible Slab and Frametherm Slab are ideal for thermal and acoustic insulation in both residential and commercial buildings. They are available in various sizes, ensuring a suitable fit for different construction needs.
Rockwool Slabs
Rockwool's slab insulations, such as the Flexi-Slab and Rainscreen Duo Slab, are renowned for their fire-resistant properties and sound absorption. These slabs are perfect for areas requiring high fire safety standards and noise reduction.
IKO Enertherm ALU Slabs
IKO's Enertherm ALU range offers slab insulations in various thicknesses, catering to different thermal requirements. These slabs are known for their high thermal performance and are commonly used in floors, walls, and roofing applications.
Steico Flex Wood Fibre Insulation Batts
Steico presents an eco-friendly option with their Flex 036 Wood Fibre Insulation Batts. These are excellent for environmentally conscious projects, providing natural thermal insulation and breathability.
Practical Uses
- Residential and Commercial Buildings: For effective thermal insulation in walls, floors, androofs, helping in energy conservation.
- Acoustic Insulation: Ideal for spaces where soundproofing is necessary, such as recording studios or busy urban areas.
Fire Safety: Certain slabs offer enhanced fire resistance, making them suitable for use in high-risk areas.
Selection Guidance
- Thermal Needs: Consider the required R-value (thermal resistance) for your project. Higher R-values indicate better insulation.
- Acoustic Requirements: If noise reduction is a priority, opt for slabs with higher sound absorption ratings.
- Fire Safety: In areas where fire safety is crucial, choose slabs with superior fire-resistant properties.
Environmental Considerations: For eco-friendly projects, select slabs made from sustainable materials like wood fibre.
Each product in our Slab Insulation category is designed to meet specific building requirements, ensuring that you can find the right solution for your project. While prices may vary, our commitment to quality and variety remains constant, helping you build more efficiently and sustainably.
Rated Excellent



