RUBEROID EnergyCap MOP PLUS GRANULE FR is a premium, heavy duty, fire-retardant modified bitumen membrane with a factory applied layer of TOPCOAT EnergyCote elastomeric coating. Its core is a strong, resilient non-woven polyester mat that is coated with a fire-retardant SBS polymer- modified asphalt and surfaced with mineral granules. RUBEROID EnergyCap MOP PLUS GRANULE FR is designed for new roofing and reroofing applications where long- term roof system performance is specified.