GREAT STUFF Big Gap Filler Insulating Foam Sealant with Quick Stop Straw, 16-Ounce 2-Pack GREAT STUFF Big Gap Filler Insulating Foam Sealant with Quick Stop Straw, 16-Ounce 2-Pack, Technology offers the same benefits as GREAT STUFF Gaps and Cracks but fills gaps larger than 1 in. So it's good for creating larger weather-tight seals to stop drafts and keep critters out. Plus, like all GREAT STUFF products, it's airtight, paintable, stainable and sand-able. It's polyurethane-based and perfect for all sorts of materials like wood, drywall, metal, masonry, glass and most plastics.Increase home comfort and energy efficiency with GREAT STUFF and GREAT STUFF PRO. Insulating Foam Sealants from Dow. New Quick Stop straw technology - helps stop messy foam drips, Forms a permanent weather-tight seal to minimize drafts and insect infestation and has exceptional adhesion to building materials GREAT STUFF big gap filler insulating foam sealant with quick stop straw can be used in interior or exterior application and is tack freee in 6 minutes and can be trimmed in 30 minutes Foam elasticity properties allow for movement and shifting within a structure Cures as cream colored, rigid foam; ease of application results from all direction dispensing. two 16 oz. cans equals up to 48 tubes of caulk