Modified bitumen

  • RUBEROID® Torch Smooth Membrane
  • GAFGLAS® EnergyCap™ Mineral Surfaced Cap Sheet

RUBEROID® Torch Smooth Membrane membrane 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 weather resistant, APP polymer modified asphalt. The membrane is available with a smooth surface.

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

    • 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 specifications:

  • CSI MasterFormat® #07 51 00, 07 52 00

  • For specification information, refer to:

Environment & materials

  • Improved by:

    • ENERGY STAR® Qualified, EnergyCap
  • Certifications & rating systems:

    • UL/ULc Listed
    • FM Approved, Torch Smooth Membrane
    • ICC ESR#1274, Torch Smooth Membrane
    • ASTM D6222, Type I, Grade S, Torch Smooth Membrane
    • ASTM D3909, ASTM E903, ASTM E408, EnergyCap™
    • California Title 24 Compliant, EnergyCap™

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.

Rating systems

Material Ingredients

LEED BD+C: New Construction | v4 - LEED v4

Building product disclosure and optimization

Credit value options

1 product each

1. Reporting

2. Optimization

3. Supply chain optimization

Living Building Challenge 3.0

Materials petals imperatives

10. Red List Free

12. Responsible Industry

13. Living Economy Sourcing

WELL Building Standard®

Air and Mind Features

Air 4. VOC reduction

Air 26. Enhanced Material Safety

Mind 97. Material Transparency

Mind 98. Organizational Transparency