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Expands to fill gaps, cracks, and voids, creating an airtight, moisture-resistant seal that improves energy efficiency and prevents drafts.
From the Manufacturer
GREAT STUFF Gaps & Cracks is a polyurethane-based insulating foam sealant that fills, air-seals and insulates small gaps (up to 1 inch) inside or out. But you probably guessed as much from the name. What you might not have guessed is how easy it is to use (thanks to the straw applicator) or how it expands to take the shape of cracks and voids to form a durable, airtight, and water-resistant bond that eliminates unwanted airflow and helps reduce condensation.
carolclover
Reviewed in the United States on December 9, 2024
Made great faux cupcakes.
EG
Reviewed in the United States on December 23, 2024
Very easy to use plugging gaps or holes around my house. The material is very durable and strong easily fills the gap…
De Bramhall
Reviewed in the United States on December 10, 2024
I recommend you choose your product placing ahead of time (not easy to clean). I used an entire can to seal up the basement. Wonderful product and easy to cut the overflow off.
Jeff H.
Reviewed in the United States on November 8, 2024
After using all that i needed, I still have half a can! (wear some kind of gloves when spraying)This spray foam is among the best I've ever used. I had an issue where there were cracks in my walls and air was coming through from the outside (for reference, it was 30 degrees outside). My main living area would be around 72 and my room would be around 60. Really bad. The spray nozzle on the foam got right into the tight crack and very easily expanded in my walls. I felt a woosh of cold air as it pushed the last of it out of the wall, and now my room is about a 1 degree difference from my main living area. I was very surprised with how well this stuff worked at keeping out the cold. This is no replacement for insulation, but it will definitely help in the meantime!Wear gloves when spraying this, sometimes the foam leaks through the top of the can, but that was a minor worry for me.
Consumer25
Reviewed in the United States on October 5, 2024
One of the straws was missing upon arrival. An expensive useless can of foam. Works great when it comes with the required pieces.
Jimbob
Reviewed in the United States on October 24, 2024
Works great
J. Grant
Reviewed in the United States on September 27, 2023
This is my go to for insulation and gap filling. Once cured, it's perfect.Just two things to keep in mind:1. Don't get it on anything you want untouched by foam. It's tenacious and sticky, and getting it off your skin is a chore. Wear gloves.2. Once you start using a can of it, use as much as possible, because using it again after the foam dries in the tube is pretty much impossible.
credenhill
Reviewed in Canada on January 27, 2022
My original order arrived without an application wand. After letting the seller know, a replacement, complete with the application wand, arrived within four hours. Totally impressed- and satisfied
kirkmonster
Reviewed in the United States on May 11, 2017
This is a fantastic product that expands and once dries is just like Styrofoam and expands to fill the cracks and then can easily be broken off or cut off with a razor or whatever and is very easy to work with... ONCE CURED. Here's what you need to know though1) WEAR GLOVES. Really! I REALLY mean it. This isn't one of those things that its some technicality. It's bad enough to where it really should have a critical warning on it. Why? Basically, unlike 99% of everything else in the world, this will NOT come off your skin with soap and water. No scrubbing will remove it. Don't believe me? Google it and read how people have removed it from their fingers. I'm literally talking about things like using a grinder. Don't use your good gloves either as they'll get ruined. Get a box of disposable gloves!2) See #1. Yes, it's that important.3) It CAN be messy. Its not necessarily messy by itself, but when you're trying to fill in big holes and it keeps expanding you will probably use too much and have to clean it up. While using gloves (again), you might want to use some towels to quickly clean it up or just plan on trimming it later4) It's one time use. There's a bunch there, but its not for a one-time-experiment thing. Locate all of the places that need done and then do them all and use up the can5) Its that ugly, trademark yellow. Why can't they come up with a white version? It'd make it unnoticeable in many scenarios.
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