DERBIGUM SP FR

DERBIGUM SP FR is a bituminous membrane, obtained by coating and surfacing non-woven polyester and glass mat with a blend made of specific bitumen and thermoplastic polyolefin polymers (APP-TPO). The membrane is provided with two distinct reinforcements offset upwards. Glass fleece and polyester fleece, which give the membrane perfect dimensional stability and excellent tear and puncture resistance. Both sides are finished with talc. The lower face has a PE welding strip for the overlap.. After end of service life , the membrane can be replaced or overlaid with an extended period of RSL