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SuperFOIL Superior Foil Tape - All Sizes
Vendor:SuperfoilfromRegular price £10.21 £12.25Sale price £10.21 £12.25 Regular priceUnit price per£0.00£0.00 -
SuperFOIL Standard Foil Tape 100mm x 20m
Vendor:SuperfoilRegular price £6.55 £7.86Sale price £6.55 £7.86 Regular priceUnit price per£0.00£0.00 -
SuperFOIL SFTV 1mm x 1.5m x 50m
Vendor:SuperfoilRegular price £98.80 £118.56Sale price £98.80 £118.56 Regular priceUnit price per£0.00£0.00 -
Superfoil SFBA MP - Foil Insulation Roll
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00£0.00 -
SuperFOIL SFTV (1mm x 1.5m) All Lengths
Vendor:SuperfoilfromRegular price £48.80 £58.56Sale price £48.80 £58.56 Regular priceUnit price per£0.00£0.00 -
SuperFOIL SFTV 1L 1mm x 1.2m x 20m
Vendor:SuperfoilRegular price £26.88 £32.26Sale price £26.88 £32.26 Regular priceUnit price per£0.00 -
SuperFOIL SFUF 6mm x 1.5m x 8m
Vendor:SuperfoilRegular price £86.40 £103.68Sale price £86.40 £103.68 Regular priceUnit price per£0.00 -
SuperFOIL SFTV 1mm x 1.5m x 25m
Vendor:SuperfoilRegular price £48.80 £58.56Sale price £48.80 £58.56 Regular priceUnit price per£0.00£0.00 -
Superfoil SF19 Plus (All Sizes)
Vendor:SuperfoilfromRegular price £98.20 £117.84Sale price £98.20 £117.84 Regular priceUnit price per£0.00 -
Superfoil General Purpose Wrap 3mm x 7m x 1m
Vendor:SuperfoilRegular price £14.20 £17.04Sale price £14.20 £17.04 Regular priceUnit price per£0.00 -
Superfoil Pipe Wrap 8cm x 7.5m
Vendor:SuperfoilRegular price £4.90 £5.88Sale price £4.90 £5.88 Regular priceUnit price per£0.00 -
SuperFOIL SFBA MP 3mm x 1.5m x 25m
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00£0.00 -
Actis Boost'R Hybrid 10m x 1.5m Reflective Breather Membrane
Vendor:ActisStandardFree Delivery over £350£420Regular price £151.43 £181.72Sale price £151.43 £181.72 Regular priceUnit price per£0.00 -
SuperFOIL SFBB 1mm x 1.5m x 25m
Vendor:SuperfoilRegular price £58.84 £70.61Sale price £58.84 £70.61 Regular priceUnit price per£0.00 -
Superfoil SFBA MP 3mm x 0.75m x 50m
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00£0.00 -
Superfoil SF40 65mm x 1.5m x 10m
Vendor:SuperfoilRegular price £198.80 £238.56Sale price £198.80 £238.56 Regular priceUnit price per£0.00 -
Window and Door Filler Untied 200m Roll
Vendor:SheepwoolRegular price £79.85 £95.82Sale price £79.85 £95.82 Regular priceUnit price per£0.00 -
Sheepwool Loose Wool - 5Kg Pack
Vendor:SheepwoolRegular price £49.89 £59.87Sale price £49.89 £59.87 Regular priceUnit price per£0.00 -
Kingspan Thermataper TT47
Vendor:KingspanStandardFree Delivery over £350£420POA -
Kingspan Thermataper TT46
Vendor:KingspanStandardFree Delivery over £350£420POA -
Superfoil SF6 30mm x 1.2m x 10m
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00 -
Superfoil SF60 100mm x 1.5m x 8m
Vendor:SuperfoilRegular price £214.00 £256.80Sale price £214.00 £256.80 Regular priceUnit price per£0.00 -
Superfoil Rad Wrap 60cm x 5m
Vendor:SuperfoilRegular price £24.80 £29.76Sale price £24.80 £29.76 Regular priceUnit price per£0.00 -
Superfoil SF40BB 75mm x 1.5m x 10m
Vendor:SuperfoilRegular price £198.80 £238.56Sale price £198.80 £238.56 Regular priceUnit price per£0.00 -
Superfoil SF19BB (All Sizes)
Vendor:SuperfoilfromRegular price £98.80 £118.56Sale price £98.80 £118.56 Regular priceUnit price per£0.00 -
YBS Breatherquilt Multifoil Insulation Roll 40mm x 1.2m x 10m (12m2 Roll)
Vendor:YBSStandardFree Delivery over £350£420Guide Price: £123.11 Guide Price: £147.73 -
Celotex PL4040 52.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £53.98 £64.78Sale price £53.98 £64.78 Regular priceUnit price per£0.00 -
Celotex 165mm XR4165 2.4m x 1.2m (Pallet Of 12)
Vendor:CelotexStandardFree Delivery over £350£420Regular price £1,079.85 £1,295.82Sale price £1,079.85 £1,295.82 Regular priceUnit price per£0.00 -
Celotex PL4060 72.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £62.56 £75.07Sale price £62.56 £75.07 Regular priceUnit price per£0.00 -
Celotex 50mm GA4050 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £24.07 £28.88Sale price £24.07 £28.88 Regular priceUnit price per£0.00 -
Celotex PL4050 62.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £58.19 £69.83Sale price £58.19 £69.83 Regular priceUnit price per£0.00 -
Celotex PL4025 37.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £43.98 £52.78Sale price £43.98 £52.78 Regular priceUnit price per£0.00 -
Multiwall Polycarbonate Sheet Clear 3000mm x 1400mm x 35mm
Vendor:B4L RoofingRegular price £201.06 £241.27 -
Multiwall Polycarbonate Sheet Clear 3000mm x 2100mm x 25mm
Vendor:B4L RoofingRegular price £232.77 £279.32 -
Multiwall Polycarbonate Sheet Clear 5000mm x 1050mm x 35mm
Vendor:B4L RoofingRegular price £251.21 £301.45 -
Multiwall Polycarbonate Sheet Clear 5000mm x 2100mm x 25mm
Vendor:B4L RoofingRegular price £387.91 £465.49
Welcome to the Flat Roof Insulation category on Build4Less! As experts in the field, we're here to guide you through the selection of flat roof insulation solutions suitable for a variety of applications.
Composite Insulated Roof Panels
333 Box Profile Composite Insulated Roof Panels (Goosewing Grey) are an all-in-one solution, combining durability, insulation, and a sleek finish. Ideal for commercial and industrial buildings, these panels offer robust weather protection and thermal efficiency.
SuperFOIL Insulation Products
SuperFOIL offers a comprehensive range of multi-layer foil insulation products suitable for various applications:
- Foil Tapes: These are essential for sealing joints and edges of insulation sheets to maintain continuity of the insulation layer.
- Foil Insulation Rolls: Available in different thicknesses, these rolls provide a high-performance insulation layer, reflecting radiant heat and providing a vapour control layer.
Pipe Wraps and General Purpose Wraps: Specifically designed for wrapping around piping or for smaller applications, providing targeted insulation to reduce heat loss.
Actis Insulation
Actis Boost'R Hybrid Reflective Breather Membrane combines insulation with a reflective layer, ideal for use in conjunction with other insulation materials to enhance overall thermal performance.
Sheepwool Insulation
Sheepwool offers natural, breathable insulation products like Loose Wool and Window and Door Filler. These are perfect for environmentally-conscious projects requiring a sustainable, yet effective insulation solution.
Kingspan Thermataper
Kingspan Thermataper TT47 and TT46 are tapered insulation solutions, designed to provide a fall on flat roofs, ensuring efficient drainage and thermal performance.
Selecting the Right Product
When selecting the appropriate flat roof insulation, consider:
- Thermal Requirements: Ensure the product meets the thermal resistance needed for your project.
- Application Area: Consider the size and specifics of the area being insulated. Some products are better suited for large open areas, while others are designed for targeted applications.
- Building Regulations: Ensure compliance with local building regulations and standards.
Rated Excellent



