Built-Up Roofing (BUR) - GAFGLAS EnergyCap Mineral-Surfaced Cap Sheet

GAFGLAS® EnergyCap™
Mineral Surfaced Cap Sheet


GAFGLAS® EnergyCap™ Mineral Surfaced Cap Sheet is a mineral surfaced cap sheet surfaced with extra fine mineral granules and a factory applied layer of TOPCOAT® EnergyCote™ elastomeric coating.


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.


  • Cost effective — ENERGY STAR® qualified, California Title 24 compliant cap sheet, without the added expense of installing a reflective coating after the roof is installed

  • Systems guarantees are available for up to 20 years

  • Durability — glass base resists the effects of moisture on the roof system

  • Code approvals — UL Class A, B, or C membrane constructions are available

Applicable Standards
Meets ASTM D3909, ASTM E903, ASTM E408
ICC Evaluation Report Pending
California Title 24 Compliant
ENERGY STAR® Qualified
UL/ULc Listed

Product Specifications (Nominal)
Roll Size 1 square (106.9 gross sq. ft.) (9.9 m2)
Roll Length 32.6' (9.9 m)
Roll Width 39.4' (1.0 m)
Approx. Roll Weight 73 lbs (33.1 kg)
Emissivity 0.90
Reflectivity 0.80
SRI (Solar Reflective Index) 100

Note: The emittance and reflectance values published are those required for California Title 24 compliance as listed by CRRC. For certification or other reflectance and emittance code requirements, different calculations may be used resulting different values. All EnergyCap™ products meet LEED requirements. Please contact Technical Services at 1-800-766-3411 for assistance and submittal information.


All documents are U.S. English unless otherwise noted

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