This all-purpose polyurethane insulating foam sealant can be used to fill in small gaps, holes and cracks up to a half-inch wide. It sticks to wood, glass, many types of plastics, masonry, and metal, so it works for many different applications. applicable in indoor, outdoor, and basement/Attic enviroments. You can use this product to seal around furnace air ducts, electrical lines and water pipes, plug up cracks in concrete.
Dow GREAT STUFF Insulating Foam Sealant is a permanent fix. It takes about twenty minutes to become tack-free to the touch; eight hours to become completely cured. The cured foam is ridgid, water-resistant, and may be trimmed, shaped, sanded, painted or stained.