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High-Performance Thermal Efficiency: Features 19 layers of interlaced foil and wadding with a 2.57 R-Value, designed to significantly reduce energy bills and maintain year-round comfort.
Versatile 3-in-1 Solution: Acts as a radiant barrier, vapour control layer, and heavy-duty insulation in one roll, reflecting 95% of radiant heat while preventing draughts and mould.
Easy, Space-Saving Installation: A slim 65mm profile that is flexible and easy to handle; simply cut with scissors and staple to roofs, walls, or floors – no specialist tools or PPE required.
Experience superior energy efficiency with SuperFOIL SF40, the market’s leading high-performance multifoil insulation. Packed with 19 layers of interlaced foil and wadding, it delivers exceptional thermal resistance (Core R-Value of 2.57) to keep your home warm in winter and cool in summer, significantly reducing your energy bills.
3-in-1 Design for Maximum Protection Why buy three products when one does it all? SF40 combines a high-grade Radiant Barrier, a Vapour Control Layer (VCL), and heavy-duty Insulation in a single roll. Its reflective outer layers bounce 95% of radiant heat back into the room, while its airtight construction prevents draughts, condensation, and mould.
Versatile & Easy to Install Ideal for Roofs, Walls, and Floors, SF40 is perfect for new builds, extensions, and retrofits. Despite its heavy-duty performance, it is flexible and easy to handle. Simply roll out, cut with scissors, and staple – no specialist tools or protective clothing needed. Its slim 65mm profile saves valuable space compared to traditional insulation blocks.