Pro Fire Block Foam – Gun Foam, Orange, 20 oz

Pro Fire Block Foam is engineered for high-performance applications that demand strength, precision, and broad coverage. Designed for use with a gun applicator (or the straw applicator version), this polyurethane expanding foam delivers controlled, consistent flow—ideal for large-scale sealing and fireproof insulation needs. Its fire foam formulation is self-extinguishing and trusted for filling and sealing around electrical outlets, pipe penetrations, and framing gaps. Class A Fire Rated, this foam sealant is mold-proof, over-paintable, and serves as a waterproof expanding foam sealant. It’s free from ozone-depleting chemicals and meets rigorous standards, including ASTM E84201 and UL Classified (ICC-ESL-1058). Key Features: Engineered for Coverage: Ideal for door and window insulation, this fire-resistant insulation foam seals large openings with minimal waste, delivering efficient energy retention and fire protection. Superior Adhesion: Bonds to most building materials, making it