About GAFGLAS® EnergyCap™ Mineral-Surfaced Cap Sheet

This cap sheet eliminates the added expense of installing a reflective granule after the roof is installed. The durable glass base resists the effects of moisture on the roof system. UL Class A, B, or C membrane constructions are available System guarantees are available for up to 20 years.

Count on GAF EnergyCap™ membranes and cap sheets with Bright White granules when you need:

  • To combine the durability of modified bitumen with the aesthetics of a solar reflective bright white surfaced roof
  • To upgrade a current roof to a solar reflective cap sheet when renovating an existing modified bitumen roofing system

Product Documentation

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Video start for APP, SBS, and BUR comparisons by GAF Commercial Roofing

SBS, APP & BUR roof system product comparisons

Any discussion on asphaltic roofing will involve one or more of these three terms: SBS (Styrene-Butadiene-Styrene), APP (Atactic Polypropylene), and BUR (Built-up roofing). SBS and APP are polymers with unique characteristics, and membranes made with them are classified by ASTM numbers, types and grades. BUR is an assembly method in which multiple layers of felts are installed with hot asphalt in-between.
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Asphaltic Cool Roof-Rated Products

Did you know asphaltic roofing can be a cool-roof solution? Bright White and ULTRA Bright White granules, like those available on Ruberoid® and GAFGLAS® EnergyCap™ membranes from GAF, reflect solar radiation, which helps building envelope performance.
Asphaltic Roofing 101 Playlist from GAF Commercial

Asphaltic Commercial Roofing 101

Proven historical performance. Time tested durability. Asphaltic roofing products are a go-to material of choice for high end low-slope buildings. Learn more about asphaltic technologies and application techniques, as well as how to decide if asphaltic is the right roofing solution for your next project.
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GAF employees at one of our American roofing manufacturing plants

American jobs in American factories

This GAF product is proudly Made in the U.S.A. with domestic and imported materials. Learn more about how GAF helps to create American jobs and opportunities in the communities where we live and work.
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