Ratings & Reviews for GREAT STUFF Gaps and Cracks 12-oz Straw Indoor/Outdoor Spray Foam Insulation Canister
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this spray foam for its exceptional ability to seal gaps, cracks, and drafts around pipes, windows, and crawl spaces. The powerful expansion and ease of application are frequently highlighted as standout features for reaching hard-to-access areas. Most note the product is messy and sticky, requiring gloves and cleanup with acetone or specialized wipes. Many report the nozzle clogs after first use, making it single-use only, though some find workarounds. Despite these drawbacks, the vast majority consider the sealing performance outstanding and well worth the trade-offs.
Customer review summary generated by AI, including incentivized reviews.Fills it!
Fills gaps and cracks. Expands a lot. If you need less expansion use window and door version. Other brands are also better for cold temperatures
Verified Purchaser
Time for a change in curbside pickups!
Would RecommendThere wasn't an issue with my order, and by no means am I complaining about folks being tired, and hot, because it is excruciatingly hot outside today. It is 07:34 pm. I just pulled from under the shelter at the Lowes loading area. Two young men loaded my order on my truck for me, which was great, but when I asked if they could tie it down with some string or something, they cut me a piece of twine, and reached it to me,to tie it down myself. Of course, I completely understand that it is probab...
Verified Purchaser
Too big too fast!
I bought this to seal some minimal open spaces form a window A/C Unit. The foam came out too much and too fast. It was hard to use. We ended up using clear caulk instead.
Verified Purchaser
I brought so happy i did it works great.
Verified Purchaser
Works as advertised
Would RecommendFilled in a 1.5 inch gap in outer walls.
Verified Purchaser
Works
I purchased this and it filled the gaps and cured nicely.
Verified Purchaser
Works!
I had a crack in my cinder block wall in the basement. I could see the outside. I used this spray and it filled the crack in seconds.
Verified Purchaser
Good Expansion
Its Messy But Expansion is Good
Verified Purchaser