IKO Protorch is a polyester SBS Torch-On Cap sheet, engineered with Prevent Graphite Fire Wall Technology, it provides self-extinguishing properties for enhanced fire safety. Tested and certified system build ups that include the IKO Protorch Cap sheet achieve BROOF(t4) in accordance with BS EN 13501-5:2005, the highest fire performance rating for flat roofing systems. Suitable for both domestic and commercial new build and refurbishments projects. When installed as part of a built-up roof system and conditions are maintained as per IKO literature, relevant Codes of Practice, the product has a 20-year material guarantee.