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Henry Company
Air-Bloc® 21 Fire Retardant Air & Vapor Barrier and Insulation Adhesive - Trowel Grade - 5 Gallon Pail
QXO product C-257170 · 1 options
Selected: Air-Bloc® 21 Fire Retardant Air & Vapor Barrier and Insulation Adhesive - Trowel Grade - 5 Gallon Pail
QXO SKU 257170 · Product number HENAB21FRTG5
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PLT|PL
- Item Weight
- 60
- Algae Resistance
- No
- Applicable Standards
- ASTM E96 ASTM E84 CGSB 71-GP-24M ASTM D412 ASTM D3111 CGSB-37.58-M86 ASTM E2178
About this product
Air-Bloc® 21FR is a trowel consistency solvent-type, synthetic rubber-based insulation contact adhesive formulated for ease of application to construction surfaces such as masonry, concrete, gypsum board, and wood.


