APP Roofing Systems. Firestone APP Modified Bitumen Roofing Systems are available in a variety of thicknesses in smooth and granule surfaces. Reinforced with a tough, non-woven polyester mat, Firestone APP membranes deliver superior rooftop performance for both new and reroof applications.
Our waterproofing bitumen membranes are designed to suit the UK market and climate. Torch-on applied APP, SBS and self-adhesive membranes with different finishes and composite carriers to assure the highest resistance and stability in the winter and warm season.