Modified Bitumen & Low Slope Asphaltic Roofing
RUBEROID® Torch Smooth Membrane
RUBEROID® MOP Granule
GAFGLAS® EnergyCap™ Mineral Surfaced Cap Sheet
RUBEROID® Torch Smooth Membrane is a strong, resilient, non-woven polyester mat that is coated with weather-resistant, APP polymer-modified asphalt. The membrane is available with a smooth surface.
RUBEROID® MOP Granule is a strong, resilient, non-woven polyester mat that is coated, flexible, SBS polymer-modified asphalt and is surfaced with mineral granules.
GAFGLAS® EnergyCap™ Mineral Surfaced Cap Sheet is used as the surfacing ply in the application of hot applied built-up roofs and as a top ply in base flashing construction.


Performance dashboard
Features & functionality
RUBEROID® Torch Smooth Membrane & MOP Granule
- Weighs less than 2 pounds per square foot
- Resilient - polyester mat core
- Specially formulated modified asphalt for lasting performance
GAFGLAS® EnergyCap™
- System guarantees are available for up to 20 years
- Durability — glass base resists the effects of moisture on the roof system
Visit GAF for more product information:
CSI MasterFormat® #07 51 00, 07 52 00
- For specification information, refer to:
- Check our LEED v4 Playbook and GAF.com/greenarchitects
- For spec help call: 877-GAF-ROOF, option 3
Environment & materials
Improved by:
- Landfill Diversion Certified (Mt. Vernon and Gainesville TPO Plants)
Certifications & rating systems:
- ASTM D3909, ASTM E903, ASTM E408, EnergyCap™
- ASTM D6222, Type I, Grade S, Torch Smooth Membrane
- California Title 24 Compliant, EnergyCap™
- FM Approved, Torch Smooth Membrane
- ICC ESR#1274, Torch Smooth Membrane
- UL/ULc Listed

How we are making it healthier
GAF is a founding manufacturer of the Health Product Declaration since 2011 and has supported the launch of the HPD Open Standard and HPD Collaborative.
GAF is the only roofing manufacturer to publish Health Product Declarations (HPDs) on our TPO and ISO products, which means there are no secrets about the materials you’re using on your roofing project.