Fire Stop Sealant Putty Red 20 oz

Fire Stop Sealants are designed to stop fires from traveling through small openings in walls and floors around pipes, cables, ductwork and gaps in wood and structural members. Sealant will expand up to ten times their size and fill in gaps created as combustible materials burn or melt.
• Putty can be formed around small openings such as loose cables
• Meets the criteria for ASTM E814 (UL 1479) and the fire-stopping requirements of all major regional codes; UL classified for fill void or cavity materials 3L73; also supported by a broad range of UL registered applications