MOP Plus Smooth Membrane

Why RUBEROID® MOP Plus Smooth Membrane?

Its core is a strong, resilient, non-woven polyester mat that is coated with flexible, SBS polymer modified asphalt and has a smooth surface. 


  • Guarantees are available for up to 20 years1
  • 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


RUBEROID® MOP Plus Smooth Membrane is designed for new roofing and re-roofing applications as well as the construction of flashings. It’s also an ideal product for repairs of built-up roofing membranes or other modified bitumen systems.


1See applicable warranty or guarantee for complete coverage and restrictions.


Protect Your Investment

Find out about product warranties and options that may help protect your most valuable assets. 

  • System Pledge Roof Guarantee
  • Diamond Pledge NDL Roof Guarantee

Product Properties

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