Fireblock with Smart Dispenser 16 oz. Expanding Spray Foam Insulation, 454 g

GREAT STUFF is even Greater! Introducing the new patent-pending GREAT STUFF SMART DISPENSER. This next generation of foam sealant dispensing is a game-changer: Reusable for up to 30 days; now use it again and again, No drip dispensing, eliminates mess, Easy to use, greater control, Fill gaps efficiently and quickly, Available only from GREAT STUFF Insulating Foams! Impedes spread of fire and smoke through service penetrations Reuse for up to 30 days with the SMART DISPENSER Tested according to ASTM E84, ASTM E814 (modified), UL 1715 Seals service penetrations between floors Seals electrical runs through wall studs