12 Oz. Big Gap Filler Insulating Spray Foam Sealant

Seal Every Gap. Stop Every Draft.

Whether it's a drafty basement, a leaky attic, or gaps around pipes and wires — GREAT STUFF Big Gap Filler Insulating Foam Sealant has you covered. This powerful expanding foam fills gaps up to 3 inches wide, creating an airtight, weather-tight seal that keeps energy in and critters out.

Key Benefits

• Fills Gaps Up to 3 Inches: Specially formulated for larger penetrations — rim joists, sill plates, plumbing, HVAC, and more
• Stops Drafts & Saves Energy: Creates a weather-tight seal that reduces energy loss and lowers heating/cooling bills
• Keeps Critters Out: Seals entry points around pipes and wires to block insects and rodents
• Versatile Use: Ideal for plumbing, electrical, basements, attics, and general home sealing projects
• Ready to Use: No mixing required — just shake, attach straw, and spray

Specifications

• Size: 12 oz. can
• Fill Capacity: Gaps up to 3 inches
• Application: Indoor & Outdoor use
• Brand: GREAT STUFF

A must-have for any home improvement toolkit — seal it once, seal it right.