RUBEROID® HW Smooth Membrane Specs

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      Why RUBEROID® HW Smooth Membrane?

      RUBEROID® HW Smooth is a tough, resilient, modified bitumen membrane manufactured to stringent GAF specifications. 

      Its core is a strong, resilient, non-woven polyester mat that is coated with flexible, polymer-modified asphalt and has a smooth surface. Smooth surface heat-weld installations must be protected with surfacing.

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      See how this product can help you meet your environmental goals.  View sustainability information here.


      Benefits of RUBEROID® HW Smooth Membrane include:
      • System guarantees are available for up to 20 years1
      • The installed cost is less than most single-ply systems on the market today
      • Installed roof designs weigh less than 2 pounds per square foot
      • Specially formulated modified asphalt gives lasting performance
      • Resilient 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
      1See applicable warranty or guarantee for complete coverage and restrictions.

      Where to buy

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