Superfoil Reflective Membrane Vapour Barrier SuperFOIL SFTV1L is a high performing vapour control layer (VCL) and radiant barrier. Ideal for use as dry lining directly behind your finishing layer (such as plasterboard) , SFTV1L minimizes the amount of warm air from inside your home entering your insulated wall, roof or floor. SFTV1L reduces condensation and helps prevent longer term issues such as damp or rot. The highly reflective surface returns heat to the living space providing an effective layer of insulation and reducing energy bills. Acting as a solar barrier SFTV1L keeps homes cool in summer in addition to protecting from cold in winter. Independently tested to the highest industry standards, SFTV is fully waterproof and vapour resistant. Suitable for use in multiple applications including walls, floors, roofs, attics, loft conversions, garages, outdoor buildings, campervans and caravans. At SuperFOIL, we are constantly investing in our products. Motivated to create innovative