Easy-to-use SPRAYMAN Fire Block Foam Sealant with Straw Applicator offers precision foam placement for 'gap filler' and 'fire resistant insulation' needs. Its fire block spray foam properties are self-extinguishing, providing superior protection. This fireproof expanding foam is Class A Fire Rated (ASTM E84201 / UL Classified / ICC-ES evaluated) and also functions as a waterproof expanding foam sealant, mold-proof, and over-paintable. Free from harmful propellants, it ensures your installation complies with fire safety requirements. For larger applications, check out our SPRAYMAN Pro Fire Block Foam - Gun Foam.