GAF Cap Sheets (Mop & Cold Applied) Ruberoid® MOP 170 FR Membrane

Description RUBEROID® MOP 170 FR membrane is a fire-retarding modified bitumen membrane manufactured to stringent GAF specifications. Its core is a strong, resilient non-woven polyester mat that is coated with an inherently fire retardant SBS polymer-modified asphalt and surfaced with mineral granules. Uses RUBEROID® MOP 170 FR is designed for new roofing and reroofing applications where long-term roof system performance is specified.