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Johns Manville
GlasKap® Cap Sheet
QXO product C-010832 · 8 options
Explore the colors
Selected: Weathered Wood
QXO SKU 502652 · Product number JMCGKWW
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PLT|RL
- Item Weight
- 74.33
- Algae Resistance
- No
- Applicable Standards
- ASTM D3909 UL Classified FM Approved Miami-Dade County Approved
- Packaging
- 1 sq ft roll
About this product
GlasKap® is a mineral surfaced, asphalt coated, fiber glass cap sheet for use in hot applied built-up roofing systems. It is composed of a fiber glass mat with a high quality coating asphalt and a white ceramic-coated granule surfacing on the side to be exposed to the weather.



