Great Stuff PRO Gaps and Cracks - 24oz Fireblock Foam Insulation Sealant, Pack of 2. Closed Cell, Polyurethane Expanding Spray Foam. Seals & Insulates Gaps Up to 3". Gun, Cleaner, Gloves Included

fills, seals, and insulates gaps up to 3". Great Stuff Pro Gaps & Cracks is the perfect solution for stopping air and moisture infiltration; providing more comfort and increasing energy efficiency in your home. Dow Great Stuff Gaps & Cracks leads the way by being the first foam sealant to be recognized as a fireblock by blocking air passages and resisting the free passage of flames between building spaces. Features and Benefits: Fills, Seals and Insulates gaps up to 3"; Forms a Water-Resistant, Airtight Seal: Bonds with most building materials and surfaces; Trimmable, Sandable and Paintable; Tack-Free in 6 minutes; Interior/exterior use; Precise application with no mess; Stores easily for use on future projects