Handi-Foam Fireblock West low pressure one-component polyurethane foam sealant is a moisture cured sealant designed to fill, seal, bond and stop air infiltration in areas with high temperature and low humidity climates. It has a recognizable orange color allowing inspectors to easily identify the use of an approved fireblock product for Type V residential construction. Due to its expansion characteristics, It is more effective than many traditional fireblocking materials for the blocking of flames and smoke in concealed penetrations, preventing flame spread from room to room and floor to floor. Handi-Foam Fireblock West is available in gun foam and can be dispensed using a Handi-Tool Dispensing Unit.