SF40BB has a certified R value of R3.67 in a roof & R3.98 in a wall.
Acts as a breathable membrane and insulation in one.
Helps to prevent the formation of mould and damp by reducing the risk of condensation.
W1 watertight means SF40BB can be used in both roofs & walls.
SuperFOIL can be used on its own, in a multiple layers or with any other form of insulation to achieve any U-value
Ideal for use in walls and roof structures in new builds and in renovation, refurbishment / extension project.
Easily fit with minimal wastage and manufactured with 40% recycled materials.
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