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The GAF RUBEROID MOP Plus Granule FR Membrane White is a bur & mb systems from GAF for exact-match material ordering. Match manufacturer model/MPN 3865920. This variant is sold as RL with SKU GAFRMPFRWH. A premium, heavy-duty, modified bitumen membrane manufactured to stringent GAF specifications

Key Specs

• Brand: GAF
• Model / MPN: 3865920
• SKU: GAFRMPFRWH
• Sell unit: RL
• Product type: BUR & MB Systems
• Size: 39-5/8″ x 32-4/7′
• Color / finish: White
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems

Key Features

• Guarantees are available for up to 20 years
• Installed roof designs weigh less than 2 pounds per square foot
• Specially formulated modified asphalt gives RUBEROID MOP Plus Smooth Membrane lasting performance
• Heavyweight polyester mat core allows it to resist splits and tears due to its pliability and elongation characteristics
• Backed by GAF, a company with over 130 years in the roofing business

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

GAF RUBEROID MOP Plus Granule FR Membrane White, sold as RL, SKU GAFRMPFRWH, manufacturer model/MPN 3865920.

What unit is the price based on?

The price is for the RL sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when GAF, SKU GAFRMPFRWH, RL sell unit, and MPN 3865920 match the job requirement.