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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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60mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 60mmQuantity: 1 Sheet
£ 54.52 Inc VAT (£45.43 ex VAT)
50mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 50mmQuantity: 1 Sheet
£ 45.06 Inc VAT (£37.55 ex VAT)
45mm Unilin Thin-R PIR Rigid Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 45mmQuantity: 1 Sheet
Last known price:£58.00 Inc VAT (£48.33 ex VAT)
40mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 40mmQuantity: 1 Sheet
£ 42.19 Inc VAT (£35.16 ex VAT)
35mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 35mmQuantity: 1 Sheet
Last known price:£42.72 Inc VAT (£35.60 ex VAT)
Unilin Thin-R 30mm PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 30mmQuantity: 1 Sheet
£ 35.00 Inc VAT (£29.17 ex VAT)
25mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 25mmQuantity: 1 Sheet
£ 36.49 Inc VAT (£30.41 ex VAT)
20mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 20mmQuantity: 1 Sheet
£ 31.99 Inc VAT (£26.66 ex VAT)
15mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 15mmQuantity: 1 Sheet
Last known price:£27.60 Inc VAT (£23.00 ex VAT)
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