Gorilla® Heavy-Duty Expanding Foam is a multi-purpose, fast curing expanding foam, which fills, seals and insulates. Great for a variety of applications, the straw allows expansion into gaps and cracks without excessive overflow for a neater finish.

Perfect for sealing out any air, moisture and even pests. Great for attics, ducts, doors, windows, skylights, crawlspaces, floors, masonry, plumbing, vents, ceilings, walls, ect. It bonds: PVC, Brick, Concrete, Insulation Materials, Plaster, Plastic, Wood, Metal and more.