GREAT STUFF Window & Door Gap Filler Insulating Foam Sealant
Specially formulated minimally expanding foam that seals gaps while remaining soft and flexible after curing. Straw applicator assists in hard-to-reach spaces for precise insulation; yellow foam does not bow window or door frames
Highlights
- low-pressure, flexible seal
- straw-applied for hard-to-reach areas
- air-tight and water-resistant seal
Pros
- minimally expanding foam remains soft after curing
- straw applicator enables precise application
- expands and contracts with weather conditions
- creates airtight and water-resistant seal
Cons
- mixed feedback on straw applicator durability
- mixed opinions on foam output and value
Best For
Features
- Minimally expanding foam remains soft and flexible after curing
- Straw-applied applicator enables precise insulation in hard-to-reach spaces
- Yellow foam sealant does not bow window or door frames while sealing gaps
- Dries tack-free in 20 minutes; cures rigid for trimming in 1 hour
