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GMC
GBS40 Premium All-Weather Base Underlayment - 2 SQ. Roll
QXO product C-528647 · 1 options
Selected: GBS40 Premium All-Weather Base Underlayment - 2 SQ. Roll
QXO SKU 528647 · Product number GMCGBS40UDL
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PLT|RL
- Item Weight
- 80
- Algae Resistance
- No
- Applicable Standards
- ASTM D226 ASTM D4601 ASTM D6757 Type II ASTM D4869 ICC Approval - ESR 1561
About this product
GBS 40 PREMIUM All Weather Base is manufactured to the highest quality standards. GBS 40 is manufactured from a fiberglass sheet with a Specially Formulated SBS Modified asphalt to prevent cracking in cold weather and stay durable in warm weather. Maximum protection underlayment for concrete tile, clay tile, and metal roofing systems.
