Boss 812 Fire Block Foam Sealant Approved Orange Color

Boss 812 Fireblock Gun Foam is a single-component polyurethane foam engineered to fill and seal gaps, cracks, and penetrations throughout residential and commercial structures. It effectively blocks air infiltration in hidden spaces while impeding the spread of flames, smoke, and toxic gases—a critical fire safety component for code-compliant construction projects.

Product Features:
Fireblocking Performance: Restricts flame, smoke, and gas passage through service penetrations, top plates, and other concealed areas.

High-Visibility Orange: Instantly recognizable for inspection purposes and regulatory compliance.

Superior Bond Strength: Adheres reliably to wood, masonry, metal, and most common building substrates.

Gun-Applied Precision: Dispense with a standard foam gun for accurate placement and reduced material loss.

Code-Approved Formula: Qualified as a Type V residential fireblock foam under ASTM E84 and UL testing protocols.

Professional Bulk Pack: Twelve 24oz cans per box—optimal for contractors and large-scale applications.

Brand: Boss
Product Type: Fireblock Polyurethane Gun Foam
Size: 24oz can
Quantity per Box: 12 Cans
Color: Orange
Standards: ASTM E84, UL-Listed