Designed to seal, fill, insulate, bond and stop air infiltration. Handi-Foam® Fireblock is more effective than traditional fireblock materials at blocking flames and smoke. Additionally, Handi-Foam® Fireblock has proven to be more cost effective due to the ease of application and excellent yield rates than standard fiberglass and caulks, In fact, one 24 oz. can may replace up to 30 standard tubes of caulk. Handi-Foam® Fireblock has a recognizable orange color allowing inspectors to easily identify the use of an approved fireblock product.