MOP Smooth 1.5 Membrane

MOP Smooth 1.5 Membrane

Why RUBEROID® MOP Smooth 1.5 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. Smooth surface mop-applied installations must be protected with surfacing. Backed by GAF, a company with over 130 years in the roofing industry.


  • Typical system guarantees available for up to 15 years; select system constructions available with up to 20-year guarantee coverage1
  • Installed roof designs weigh less than 2 pounds per square foot
  • Specially formulated modified asphalt gives RUBEROID® MOP Smooth 1.5 Membrane lasting performance
  • RUBEROID® MOP Smooth 1.5 Membrane's polyester mat core allows it to resist splits and tears due to its pliability and elongation characteristics


  • RUBEROID® MOP Smooth 1.5 Membrane is designed for new roofing and re-roofing applications as well as the construction of flashings.
  • RUBEROID® MOP Smooth 1.5 Membrane is also an ideal product for repairs of built-up roofing membranes or other modified bitumen systems.

See applicable guarantee or warranty 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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