Foam & Fill 0925 Fire Block Foam Sealant, Orange, 24 Hr Functional Cure, 41 To 86 Deg F, 24 Oz Aerosol Can

Foam & Fill fire block is a self-extinguishing polyurethane foam sealant specially formulated to inhibit the spread of flames through concealed cavities by blocking the free flow of air, smoke and gas. This one-component, ready-to-use foam sealant expands quickly upon application and cures to a water/air-tight seal.