3M | sku: 1028075 3M 12 Oz. Orange Fire Block Fb-Foam Specialty Sealant 3M Fire Block Foam FB-Foam is a fire block and draft stop used to help seal, fill, insulate and bond for non-rated residential and commercial construction. This foam-in-place fire block is heat-resistant (up to 240F/115C) and meets ASTM E 84 (mod) Class... Log in for pricing