
GAF RUBEROID EnergyCap HW 30 Granule FR SBS Modified Bitumen Cap Membrane, 39.4 in. x 32 ft 6 in. Roll, Bright White
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GAF RUBEROID EnergyCap HW 30 Granule FR SBS Modified Bitumen Cap Membrane, 39.4 in. x 32 ft 6 in. Roll, Bright White
GAF RUBEROID EnergyCap HW 30 Granule FR is an SBS-modified bitumen cap membrane with enhanced bright white granule surfacing for solar reflectance and a nonwoven glass mat core that meets ASTM D6163, Type I. Each roll measures 39.4 in. x 32 ft 6 in. and is sold per roll in Bright White.
Key Features:
- ASTM D6163 core: The nonwoven glass mat core meets ASTM D6163, Type I specifications.
- Enhanced white surfacing: Enhanced bright white granule surfacing offers solar reflectance.
- SBS elongation: Combines the strength of fiberglass reinforcement with the elongation characteristics of SBS-modified asphalt.
- Lightweight system: Installed roof designs using this membrane weigh less than 3 pounds per square foot.
- GAF certified: Backed by GAF, a company with over 130 years in the roofing business.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | GAF |
| Sell unit | 1 roll, 39.4 in. x 32 ft 6 in. |
| Product line | GAF RUBEROID EnergyCap HW 30 Granule FR |
| Available colors | Bright White |
| Available sizes | 39.4 in. x 32 ft 6 in. roll |
| Dimensions | 39.4 in. x 32 ft 6 in. per roll |
| Material | SBS-modified bitumen over a nonwoven glass mat core |
| Finish / texture | Enhanced bright white granule surfacing |
| Approvals | Core meets ASTM D6163, Type I specifications |
| Coverage per roll | Approximately 107 sq ft nominal (39.4 in. x 32 ft 6 in.) |
| Installed weight | Less than 3 lb per sq ft for installed roof designs |
| Intended use | Reflective, fire-retarding cap membrane for commercial modified bitumen roof systems |
Coverage & How Much You Need:
One roll measures 39.4 in. x 32 ft 6 in., roughly 107 sq ft nominal. Estimate rolls from roof area plus the side and end laps required by the membrane system specification.
Fit and Compatibility:
Intended as the cap sheet in GAF RUBEROID modified bitumen roof systems over compatible base and interply plies. Membrane is manufactured to GAF specifications; confirm system and guarantee requirements before substitution.
Frequently Asked Questions (FAQ):
Q: What is included with one purchase?
A: One roll of EnergyCap HW 30 Granule FR membrane, 39.4 in. x 32 ft 6 in., in Bright White.
Q: Does it meet any standard?
A: The nonwoven glass mat core meets ASTM D6163, Type I specifications.
Q: How much does a roll cover?
A: About 107 sq ft nominal; subtract lap allowances when calculating the number of rolls.
Q: Is it reflective?
A: Yes, the enhanced bright white granule surfacing offers solar reflectance.
Q: How heavy is the installed roof?
A: Installed roof designs using this membrane weigh less than 3 pounds per square foot.
Q: What fire performance does it have?
A: It is designated FR (fire-retarding); confirm the assembled system's fire classification through the manufacturer's system listings.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Choose the HW 30 when the job calls for a high solar-reflectance FR cap sheet backed by an ASTM D6163 Type I glass mat core. Keep rolls stored upright and protected from weather until installation. Match base and interply products to the GAF system specification so the assembly qualifies for the intended guarantee.
Follow the membrane manufacturer's installation instructions and applicable fire-safety requirements when installing modified bitumen cap sheets on the roof.
Buy GAF RUBEROID EnergyCap HW 30 Granule FR membrane for a bright white, solar-reflective commercial cap sheet.
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