Dow Great Stuff Professional Gaps & Cracks Insulating Gun Foam Sealant
Dow Great Stuff Pro Gaps and Cracks is an insulating foam sealant for general purpose air sealing. The one-component, minimally expanding foam takes on the shape of cracks then quickly cures within 1 hour to form an air-tight seal. Gaps and Cracks is also recognized as a fireblock, able to resist the free passage of fire and smoke to other areas of the building.
Sold in cases of 12 - 24 oz or 30 oz cans.