JACO FIRESTOP
SKU: JC-50011UL - Firestop Intumescent Fire Stop and Smoke Sealant. UL listed, commercial intumescent. Rated 3000° Fahrenheit for 8 hours. ASTM-E84 zero flame/zero smoke, ASTM-E814 8 hour rating. 10.5 oz. tubes. Pack: 12