Leading supplier of Single Ply roofing membranes, Sika-Trocal has had the lifespan of its Type S and SG materials extended from 30 years now up to 35 years by the industry body, the BBA. This includes resistance to wind uplift, foot traffic, weather tightness and properties in relation to fire, as well as durability and waterproof. Single Ply Membranes have been widely used in the UK for many years. First launching in 1972 and as the UK??s oldest supplier, Sika-Trocal now has more than 40 years?? experience in the industry and with a proven track record of high quality roofing installations. Single Ply can be considered for use in many types of build and sectors, as the material is very versatile with easy application methods, yet represents excellent value.