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Insulation

Find insulation materials for a wide range of UK building and refurbishment projects. Whether you are insulating a roof, floor, cavity wall or external wall, explore different insulation types from established manufacturers to find products suited to your application.

Shop Insulation by Type PIR insulation boards: Rigid boards commonly used in roofs, walls and floors where efficient thermal performance is important. Mineral wool insulation: Glass and stone wool products for thermal and acoustic insulation across suitable building applications. XPS and EPS insulation: Rigid polystyrene insulation products available in different grades for specified construction requirements. Insulation rolls and slabs: Flexible rolls and rigid slabs for suitable roof, wall, ceiling and partition systems. Multifoil insulation: Reflective insulation products designed for use in compatible building assemblies. Natural insulation: Fibre-based insulation options for projects with particular material preferences. Choose Insulation for Your Project

The right insulation depends on where it will be installed, the required thermal performance, available space, moisture conditions and the construction system. Always check the manufacturer's technical datasheet and installation guidance before selecting a product.

Browse our insulation range to compare specifications, thicknesses and pack coverage. Trade customers can contact our team for product guidance and quantity quotations.

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£ 4.21
£ 2044.97
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1343 products
newest
60mm Celotex GA4000 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 60mmQuantity: 1 Sheet
£ 56.33 Inc VAT (£46.94 ex VAT)
50mm Celotex GA4000 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 50mmQuantity: 1 Sheet
£ 46.68 Inc VAT (£38.90 ex VAT)
45mm Celotex TB4045 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 45mmQuantity: 1 Sheet
Last known price:£50.57 Inc VAT (£42.14 ex VAT)
40mm Celotex TB4040 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 40mmQuantity: 1 Sheet
£ 42.83 Inc VAT (£35.69 ex VAT)
35mm Celotex TB4035 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 35mmQuantity: 1 Sheet
Last known price:£40.82 Inc VAT (£34.02 ex VAT)
30mm Celotex TB4030 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 30mmQuantity: 1 Sheet
£ 39.84 Inc VAT (£33.20 ex VAT)
25mm Celotex TB4025 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 25mmQuantity: 1 Sheet
£ 34.37 Inc VAT (£28.64 ex VAT)
20mm Celotex TB4020 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 20mmQuantity: 1 Sheet
Last known price:£34.26 Inc VAT (£28.55 ex VAT)
12mm Celotex TB4012 PIR Insulation Board
Thermal PIR Insulation BoardPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 12mmQuantity: 1 Sheet
Last known price:£27.66 Inc VAT (£23.05 ex VAT)
165mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 165mmQuantity: 1 Sheet
Last known price:£128.06 Inc VAT (£106.72 ex VAT)
150mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 150mmQuantity: 1 Sheet
Last known price:£102.18 Inc VAT (£85.15 ex VAT)
140mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 140mmQuantity: 1 Sheet
Last known price:£100.38 Inc VAT (£83.65 ex VAT)
130mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 130mmQuantity: 1 Sheet
Last known price:£93.19 Inc VAT (£77.66 ex VAT)
125mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 125mmQuantity: 1 Sheet
Last known price:£87.18 Inc VAT (£72.65 ex VAT)
120mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 120mmQuantity: 1 Sheet
£ 87.66 Inc VAT (£73.05 ex VAT)
110mm Unilin Thin-R PIR Insulation Board
Foil faced PIR rigid insulationPack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 110mmQuantity: 1 Sheet
£ 79.85 Inc VAT (£66.54 ex VAT)
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