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🛠️ Seal smart, save energy, and stop the chill before it starts!
GREAT STUFF Gaps & Cracks 20 oz Insulating Foam Sealant is a professional-grade expanding foam designed to fill, seal, and insulate cracks and gaps around your home. Its waterproof, durable foam blocks drafts and pests while providing long-lasting energy efficiency. With a compact 20 oz can and ASTM C-920 certification, it’s a trusted choice for DIYers and pros alike—just remember to use gloves for safe application.
| ASIN | B0002YX98O |
| Best Sellers Rank | 662,691 in DIY & Tools ( See Top 100 in DIY & Tools ) 5,592 in Sealers |
| Brand | GREAT STUFF |
| Colour | Multicolor |
| Compatible Material | Glass |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,787) |
| Global Trade Identification Number | 00074985001567 |
| Included Components | Expanding foam sealant |
| Item Dimensions | 7 x 7 x 24.1 centimetres |
| Item Form | Foam |
| Item Weight | 0.4 Kilograms |
| Manufacturer | Great Stuff |
| Manufacturer Part Number | 157911 |
| Material | foam |
| Model Number | 157911 |
| Number of Items | 1 |
| Style Name | Compact |
| Supported Standards | ASTM C-920 |
| Surface Recommendation | [At least some of: Wall, Sink, Tile, Floor] |
| UPC | 074985001567 |
| Unit Count | 591.47 millilitre |
| Water Resistance Level | Waterproof |
B**E
Works great for stopping drafts and sealing areas where rodents are able to enter.
K**R
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
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 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
easy to use, dried quick with a decent appearance. could be cheaper but hey its 2025 what do you expect.
Trustpilot
4 days ago
3 weeks ago