Polyflex G HP FR is an Atactic Polypropylene (APP) modified bitumen roofing membrane with fire retardant additives reinforced with high performance non-woven polyester reinforcement which provides flexibility and dimensional stability as well as exceptional tear and puncture resistance. The quality APP compound and durable construction provides longterm weathering performance. Polyflex G HP FR is designed for use as cap sheet in multilayer low-slope assemblies.
Polyflex G HP FR has a granular top surface burn-off film bottom surface for heat
Polyflex G HP FR cap sheet features Polyglass’ patented FASTLap® for granule free end laps. FASTLap provides greater ease and speed of application as well as improved long term weathering performance.
Polyflex G HP FR membrane can be used as part of a Polyglass warranted multi-ply system, when combined with Polyflex base or interply sheets or other approved Polyglass base sheets.