FIRESTOP 10.1 ASTM-E814 CAULK

SPECIAL ORDER ITEM. Review Returns Policy before purchase. The Firestop Intumescent Firestopping Sealant is a high-performance, elastomeric firestop caulk designed to restore the fire-resistance rating of penetrated walls and floors. When exposed to heat, its intumescent formula expands to block the spread of flames, smoke, and hot gases, helping maintain the integrity of fire-rated assemblies.