GREAT STUFF™ Big Gap Filler Insulating Foam Sealant is an expanding foam sealant that fills, seals and insulates gaps up to 3”. This ready-to-use sealant is specially formulated to take on common areas of energy loss such as rim joists/sill plates, plumbing, HVAC, and other larger penetrations

Fills, seals and insulates gaps up to 3" Reusable for up to 30 days with the Smart Dispenser(TM) All-direction, no-drip dispensing eliminates messes Easy to use, with great control Has elasticity that allows for movement and shifting within a structure Forms a long-lasting weathertight seal to minimize drafts Adheres to wood, metal, masonry, glass and most plastics Paintable, stainable, and sandable Tack-free in 5-15 minutes Rigid after it cures; can be trimmed in 60 minutes For interior/exterior use UL classified Cream color 340 g (12 oz)