Designed for low humidity, high-temperature climates, this new sealant from Fomo blocks the passage of flame and smoke in concealed penetrations from room to room and floor to floor. Handi-Foam Fireblock West effectively seals, fills, bonds, and stops air infiltration in even the hottest and driest climates of the western U.S. It has been evaluated per UL ER13919-01, and one 24 oz. can of Handi-Foam Fireblock West may replace up to 30 standard tubes of caulk.
PB Topical Ref
