The Multifoil with the highest thermal performance on the market Super FOIL SF60FR is comprised of 55 layers including reinforced heavy duty double-foil outer layers thermo-foam separation layers & wadding. SF60FR provides a 3-in-1 insulation solution with radiant barrier vapour control layer & delivers a Thermal Resistance of up to 4.42R in a roof construction. Suitable for use in Roofs Walls & Floors in new build & retrofit SF60 is fully certified by DIBT.