KÖSTER TPO 2.0 F (FR) is a hot-air-welding plastic roofing and waterproofing membrane made of thermoplastic polyolefins (TPO) based on Polyethylene with a central glass fleece insert and an additional polyester fleece backing with hig fire resistance. KÖSTER TPO F (FR) roofing membranes are mechanically fastened to seal roofs with direct weathering or used for installation with adhesive at EPS insulation.