Now In: Weatherization → Caulking, Sealants, Foam & Adhesives → Gun Foam Fire Block -24oz Gun Foam Fire Block -24oz SKU# FSTS24G-II Call for Pricing 800-356-2149 Product Description Black Foam Polyurethane Foam Sealant. A black, UV-resistant gun foam specially formulated to blend in with landscaping, RV, automotive, HVAC and other applications. No need to paint when used outdoors.