The brighter way to insulate. The multi-foil system certified to achieve 0.18*. TLX Silver - a thin, flexible multi-foil for roof and wall applications. Application Can be used for 100mm and 150mm rafter installations in new build, barn conversion and refurbishment projects including loft extensions (new build in a traditional roof) either over or under rafters. It works in combination with glass wool to reduce the total thickness of insulation needed and with rigid insulation to cut installation time. BBA approved, TLX Silver saves time and guarantees 0.2. It stops air leakage by providing an air-tight vapour barrier and restricting air movement in its multi-foil layers. Properties Thickness: 30mm. Area: 12m2. Weight: 8kg. Note When installed according to BBA certificate No 06/4379.