Flexible and easy to apply, GREAT STUFF™ Window & Door Insulating Foam Sealant quickly and cleanly forms airtight, water-resistant seals between framework and rough openings that withstand the elements.

GREAT STUFF™ Window & Door Insulating Foam Sealant is a specially formulated, minimally expanding foam with a low-pressure build that remains soft & flexible after curing. The foam can be formed without trimming to create long-lasting, airtight and water-resistant seal proven not to bow window or door frames when properly installed.