Modified Bitumen Roofing - Ruberoid MOP FR


Formerly Ruberoid® Mop FR


RUBEROID® MOP PLUS GRANULE FR is a premium, heavy duty, 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.


RUBEROID® MOP PLUS GRANULE FR is designed for new roofing and reroofing applications where long-term roof system performance is specified.


  • System guarantees are available for up to 20 years

  • No coating required for Class A ratings from UL and FMRC

  • Lightweight — installed premium roof designs weigh less than 3 pounds per square foot

  • Resilient — RUBEROID® MOP PLUS GRANULE FR's heavy weight polyester mat, core allows it to resist splits and tears due its pliability and elongation characteristics

  • Durable — specially formulated modified asphalt gives RUBEROID® MOP PLUS FR lasting performance

  • RUBEROID® MOP PLUS GRANULE FR is backed by GAF, a company with over 100 years in the roofing business

  • Available with black or white granules

Applicable Standards
Meets ASTM D6164, Type I, Grade G
FM Approved
ICC #1274
Miami-Dade County Product Control Approval
State of Florida Product Approval
Texas Department of Insurance
UL/ULc Listed
City of Los Angeles Report #2527

Product Specifications (Nominal)
Roll Size 1 square (107.52 gross sq. ft.) (9.99 m2)
Roll Length 32.56' (9.92 m)
Roll Width 39.625" (1.0 m)
Approx. Roll Weight 103.7 lbs (47.04 kg)
Product Thickness 0.155” (3.9 mm)

This product meets or exceeds the following ASTM D6164, Type II, Grade G, minimum requirements:

Property Test Method Value
Tensile Strength @ 0°F (min), lbf/in ASTM D5147 100
Elongation @ 0°F (min), % ASTM D5147 20
Low Temperature Flexibility (max), °F ASTM D5147 0
Tear Strength (min), lbf ASTM D5147 70
Dimensional Stability, (max) % ASTM D5147 1


All documents are U.S. English unless otherwise noted

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