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🛡️ Seal the gaps, save the energy, and never let drafts crash your vibe!
Great Stuff 157911 Insulating Foam Sealant is a 20-ounce polyurethane-based expanding foam designed to fill, seal, and insulate gaps up to 1 inch. Its waterproof, airtight bond improves energy efficiency by preventing drafts and moisture intrusion. The included straw applicator allows for precise, easy application on both interior and exterior surfaces, with an ivory finish that blends discreetly. Trusted by professionals and DIYers alike, it’s a durable solution for enhancing home comfort and reducing energy costs.











| ASIN | B0002YX98O |
| Best Sellers Rank | #12,325 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #21 in Industrial Joint Sealants |
| Brand Name | Great Stuff |
| Color | Ivory |
| Compatible Material | Polyurethane |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,881) |
| Global Trade Identification Number | 00074985001567 |
| Included Components | Expanding foam sealant |
| Item Dimensions | 2.75 x 2.75 x 9.5 inches |
| Item Form | Foam |
| Item Type Name | Insulating Foam Sealant |
| Item Weight | 0.4 Kilograms |
| Manufacturer | Great Stuff |
| Material Type | Polyurethane |
| Model | 157911 |
| Number of Items | 1 |
| Part Number | 157911 |
| Style Name | Gaps & Cracks |
| Supported Standards | ASTM C-920 |
| Surface Recommendation | Wood |
| UPC | 074985001567 |
| Unit Count | 20.0 Ounce |
| Warranty Description | Warranty |
| Water Resistance Level | Waterproof |
B**E
Great product for the price
Works great for stopping drafts and sealing areas where rodents are able to enter.
K**R
Fantastic product Presuming...
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 though 1) 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 later 4) 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 can 5) Its that ugly, trademark yellow. Why can't they come up with a white version? It'd make it unnoticeable in many scenarios.
J**H
Got a gap fill your crack
The only thing I don't like about this stuff is if you just need a little bit and then you store it away you can't use it once that stuff hardens up in the spray nozzle so what I did this time was I made sure to clean out the excess material out of the nozzle in the can itself as well as the straw with an air gun hopefully that preserves it for the next time I need it since this is a massive can
D**D
there are two sizes
there is one for larger cracks as well. Make Sure you let it expand as the stuff expands a lot. great to seal up areas that are wider on a gap
S**E
Fills cracks with ease!
easy to use, dried quick with a decent appearance. could be cheaper but hey its 2025 what do you expect.
J**.
Kept the Breeze out and my house is warmer!
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.
B**I
Great stuff🤔
I'm sure it may be great stuff, but the plastic dispenser attachment was broken. So needless to say I can't direct the spray. Being a novice, I didn't realize it was broken. I kept trying to attach the straw but couldn't. I YouTubed and received my education. So if you have two pieces, send it back for exchange or refund
J**E
This will survive anything!
I bought this after watching a YouTube video on repairing a towel rod. The towel rod is going to outlive me & my next couple of generations! This stuff has incredible holes so you need to be careful how much you actually use so it doesn’t overflow.its very sticky & hard to get off so wear gloves & protect your skin, clothes, & any surrounding surfaces. This holds better than the screws & anchors that were originally used! It’s like concrete!
Trustpilot
3 weeks ago
3 days ago