Dow’s GREAT STUFF Gaps & Cracks Insulating Foam Sealant is a ready-to-use, minimal-expansion, polyurethane insulating foam sealant that fills, seals and insulates gaps up to 1”. This specially formulated sealant expands to take the shape of gaps, creating a long-lasting, airtight and water-resistant seal; helps improve energy efficiency by forming an airtight seal in gaps and cracks; and is a simple way to minimize unwanted airflow and reduce condensation. It is UL-Classified and adheres to wood, metal, masonry, glass and most plastics. One 12-oz. can equals up to 22 tubes of caulk.

The Dow Chemical Co.