30 Granule Membrane

30 Granule Membrane

Why RUBEROID® 30 Granule Membrane?

Its core is a strong, resilient non-woven glass mat that is coated with flexible, SBS polymer modified asphalt and surfaced with mineral granules.


  • Typical system guarantees available for up to 15 years; select system constructions available with up to 20-year guarantee coverage1
  • RUBEROID® 30 Granule combines the strength of fiberglass reinforcement with the elongation characteristics of SBS-modified asphalt
  • Installed roof designs weigh less than 3 pounds per square foot
  • RUBEROID® 30 Granule is backed by GAF, a company with over 130 years in the roofing business


  • RUBEROID® 30 Granule is designed for new roofing including the GAF 20/30 system and re-cover applications as well as in the construction of flashings.
  • RUBEROID® 30 Granule is also an ideal product for repairs of built-up roofing membranes or 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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