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Wall Insulation

Shop wall insulation materials for new builds, extensions, refurbishment projects and commercial construction. Our range includes PIR insulation boards, insulated plasterboard, mineral wool slabs, cavity wall insulation and external wall insulation systems from leading manufacturers.

Shop Wall Insulation by Application

  1. Internal wall insulation: Improve the thermal performance of existing walls using suitable insulation boards or insulated plasterboard systems.
  2. External wall insulation: Explore insulation boards and system components designed for compatible external wall insulation and render systems.
  3. Cavity wall insulation: Find insulation products for suitable full-fill and partial-fill masonry cavity wall constructions.
  4. Timber and steel frame insulation: Browse insulation boards, slabs and rolls designed for compatible framed wall systems.
  5. Partition wall insulation: Choose suitable insulation products for thermal and acoustic performance in internal partitions.

Choose the Right Wall Insulation

The best wall insulation depends on the wall construction, available installation space, required thermal performance and project specification. PIR boards offer high thermal resistance for their thickness, while mineral wool products can provide thermal and acoustic insulation. Insulated plasterboard combines insulation with a plasterboard lining, helping simplify certain internal drylining applications.

Before choosing a product, check the manufacturer's technical datasheet, required thickness, fire performance and compatibility with the proposed wall system.

Browse our wall insulation range to compare products, specifications and pack coverage. Trade customers can contact our team for help with product selection and quantity quotations.

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£ 4.21
£ 2044.97
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1129 products
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Thermafleece NatraHemp 70mm Hemp Insulation Slabs
Blend of fibres, rich in British hempPack coverage: 16.42m2Thickness: 70mmQuantity: 24Width: 570mm
Last known price:£268.86 Inc VAT (£224.05 ex VAT)
Steico Special Dry 120mm Sheathing Board
Insulating sheathing and render boardPack Length: 1880mmPack Width: 600mmPack coverage: 1.13m2Thickness: 120mmQuantity: 1 Sheet
Last known price:£20.44 Inc VAT (£17.03 ex VAT)
100mm Steico Special Dry Sheathing Render Board
Insulating sheathing and render boardPack Length: 1880mmPack Width: 600mmPack coverage: 1.13m2Thickness: 100mmQuantity: 1 Sheet
Last known price:£20.44 Inc VAT (£17.03 ex VAT)
80mm Steico Special Dry Sheathing Board
Insulating sheathing and render boardPack Length: 1880mmPack Width: 600mmPack coverage: 1.13m2Thickness: 80mmQuantity: 1 Sheet
Last known price:£20.44 Inc VAT (£17.03 ex VAT)
100mm Steico Internal Wood Fibre Insulation Board
Wood fibre insulation boardPack Length: 1200mmPack Width: 380mmPack coverage: 0.46m2Thickness: 100mmQuantity: 1 Sheet
Last known price:£5.05 Inc VAT (£4.21 ex VAT)
80mm Steico Internal Wood Fibre Board
Wood fibre insulation boardPack Length: 1200mmPack Width: 380mmPack coverage: 0.46m2Thickness: 80mmQuantity: 1 Sheet
Last known price:£5.05 Inc VAT (£4.21 ex VAT)
60mm Steico Internal Wood Fibre Board
Wood fibre insulation boardPack Length: 1200mmPack Width: 380mmPack coverage: 0.46m2Thickness: 60mmQuantity: 1 Sheet
Last known price:£5.05 Inc VAT (£4.21 ex VAT)
40mm Steico Internal Wood Fibre Board
Wood fibre insulation boardPack Length: 1200mmPack Width: 380mmPack coverage: 0.46m2Thickness: 40mmQuantity: 1 Sheet
Last known price:£5.05 Inc VAT (£4.21 ex VAT)
ThermaFleece UltraWool 50mm Flexible Slab
British Sheep Wool InsulationPack Length: 36000mmPack Width: 11700mmPack coverage: 14.04m2Thickness: 50mmWidth: 390mm
Last known price:£156.94 Inc VAT (£130.78 ex VAT)
ThermaFleece UltraWool 50mm Flexible Slab
British Sheep Wool InsulationPack Length: 24000mmPack Width: 11800mmPack coverage: 14.16m2Thickness: 50mmQuantity: 20 SlabsWidth: 590mm
Last known price:£127.58 Inc VAT (£106.32 ex VAT)
ThermaFleece CosyWool 50mm Slab 570mm
British Sheep Wool InsulationPack Length: 14400mmPack Width: 6840mmPack coverage: 8.21m2Thickness: 50mmQuantity: 12Width: 570mm
Last known price:£50.41 Inc VAT (£42.01 ex VAT)
ThermaFleece CosyWool 50mm Flexible Slab 370mm
British Sheep Wool InsulationPack Length: 14400mmPack Width: 4440mmPack coverage: 5.33m2Thickness: 50mmQuantity: 12Width: 370mm
Last known price:£36.30 Inc VAT (£30.25 ex VAT)
ThermaFleece CosyWool 25mm Sheep Wool Roll 570mm
British Sheep Wool InsulationPack Length: 12mPack Width: 570mmPack coverage: 6.84m2Thickness: 25mmQuantity: 1 rollWidth: 570mm
Last known price:£27.96 Inc VAT (£23.30 ex VAT)
25mm CosyWool Sheep Wool Loft Insulation Roll 370mm
British Sheep Wool InsulationPack Length: 12mPack Width: 370mmPack coverage: 4.44m2Thickness: 25mmQuantity: 1 rollWidth: 370mm
Last known price:£19.90 Inc VAT (£16.58 ex VAT)
Thermafleece NatraHemp 50mm x 370mm Insulation Slabs
Blend of fibres, rich in British hempPack coverage: 21.31m2Thickness: 50mmQuantity: 48Width: 370mm
Last known price:£268.86 Inc VAT (£224.05 ex VAT)
Thermafleece NatraHemp 50mm Hemp Insulation Slabs
Blend of fibres, rich in British hempPack coverage: 21.89m2Thickness: 50mmQuantity: 32Width: 570mm
Last known price:£260.04 Inc VAT (£216.70 ex VAT)
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