Great Stuff 12 oz. Triple Expanding Insulating Foam Sealant

Great Stuff 12 oz. Triple Expanding Insulating Foam Sealant is specially formulated to expand, fill, and insulate large gaps and openings around the home or jobsite. It forms a durable, airtight, and weather-resistant seal that helps improve energy efficiency by reducing unwanted drafts. This ready-to-use expanding foam adheres securely to a variety of building materials including wood, metal, masonry, glass, and most plastics. Designed with all-direction dispensing, it is ideal for sealing around plumbing penetrations, HVAC ductwork, rim joists, sill plates, and other structural gaps.