Model # 65450006

Internet #100350286

Store SKU #482626

SAKRETE 20 lb. Gray Leak Stopper
0764661176206

SAKRETE

20 lb. Gray Leak Stopper

  • Fix leaks in pools or active leaks in concrete and masonry
  • Instant setting hydraulic cement
  • No form or brace needed
$1899 /each
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Frequently Bought Together

Product Overview

SAKRETE 20 lb. Gray Leak Stopper is designed to help stop water from leaking through concrete- and masonry breaks. This leak stopper can be used underwater. Dries to the color of concrete.

  • Helps stop the flow of water through breaks in concrete and masonry
  • Can help stop leaks underwater and under pressure
  • Great for leaks in pools
  • Instant-setting hydraulic cement
  • Mixture includes sand, cement and special additives
  • Just add water
  • 3,000 psi
  • Approximate 3 minutes working time
  • Learn more about concrete and cement here in our Buying Guide
  • Note: Product availability may vary by store

Info & Guides

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Specifications

Dimensions

Coverage Area (cu. ft.)
.17
Product Depth (in.)
9.5
Product Height (in.)
10.5
Product Length (in.)
9.5
Product Width (in.)
9.5

Details

Color Family
Gray
Color/Finish
Gray
Compression strength (psi)
3000
Features
Paintable,Pre-Mixed
Material
Cement
Mix Type
Hydraulic
Overhead Use
Yes
Product Weight (lb.)
20lb
Returnable
90-Day
Use Location
Floor,Wall
Working time (min.)
3

Warranty / Certifications

Manufacturer Warranty
1 YR

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Customer Questions & Answers

I have weeping masonry blocks in the finished basement. Will this stop the weeping?

Asked by: tony
No, this product is for patching and sealing cracks in concrete and cement block walls.
Answered by: Dale
Date published: 2017-01-28

Can this product seal a brick chimney that leaks?ebm44

Asked by: em44
Yes.
Answered by: dan
Date published: 2016-12-27

Will it stop leaks on a wet wallor does it have to be completely clean and dry?

Asked by: Wcdad
I applied mine under water. Some product washed away but kept applying and it hardened, sealing the crack.
Answered by: Frank
Date published: 2017-04-25

How long will this cure if it's on a horizontal crack at the water line of a pool? When can I re...

How long will this cure if it's on a horizontal crack at the water line of a pool? When can I re-set the tiles back over the repair?
Asked by: FrustratedSwimmer
I applied it under the water line to our bulkhead in salt water and it hardened in just a couple of minutes.
Answered by: Frank
Date published: 2017-04-25
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Customer Reviews

20 lb. Gray Leak Stopper is rated 4.4 out of 5 by 22.
Rated 5 out of 5 by from Definitely does the job, stops the water leaks dead. It is a medium to dark gray and will stand ... Definitely does the job, stops the water leaks dead. It is a medium to dark gray and will stand out against normal colored concrete and mortars. Sets very fast, I applied a half-hot-dog sized portion with my fingers, turned around to get my trowel to shape the patch and when I turned back to try and shape the repair it had already set; I had to wait until cured (couple of days) and used a grinder to shape and finish the repair. The label and instructions say that it sets within 3 minutes, they aren't exaggerating.
Date published: 2017-02-21
Rated 5 out of 5 by from SUPER STOPPER Had a couple of cracks in a basement wall that I found when remodeling. Had noticed wet spots on the carpet prior to this but wasn't sure where it was coming from. Recommend that you follow the instructions closely on this and it will work just fine. Stopped the moisture and the leak instantly. I waited a week or so just to make sure before starting to put in new wall covering, floor etch, but so far, excellent. Hoping it will last a long time and when I sell my house, the new owners will not have a problem either.
Date published: 2017-03-01
Rated 5 out of 5 by from Sakret 20 LB. GRAY LEAK STOPPER This Sakret 20 LB. GRAY LEAK STOPPER is a great product for repairing both active and inactive leaks. Easy to prepare, adding 3 parts powder to 1 part water, it can be mixed, added straight to the active leak and will set in a few minutes. (Only mix a little at a time). When applied to dampened dry leaks can set in seconds. It can be shaved/ground down to a level layer, so ALWAYS over fill the hole. Always wear gloves, eye protection and take precautions with exposed skin.
Date published: 2017-04-05
Rated 5 out of 5 by from Works to fill cracks in cement even with water Upon opening the container the lid has a lip that makes it resealable. You could put the cement in ziploc bags for lasting added protection. The cement is a powder consistent with other brands. On the container it states hardens in three minutes and it does! Only mix what you can use in that time and wear gloves. I always mix with a polymer like sakrete bonder and fortifier as it makes it smoother and makes it adhere to the original concrete. I prefer to grind out the crack with an angle grinder than hammer it. On a horizontal surface I mix it to a liquid and pour it in making sure it gets down in the crack. On a vertical surface I use slightly less liquid and keep pushing it into the hole. Upside down I make it into a paste and work it in quickly. While it is wet you can smooth the surface or use a stone after it dries and then coating it with a thick paint to hide imperfections.
Date published: 2017-02-22
Rated 1 out of 5 by from I was very disappointed with this product. It sets way... I was very disappointed with this product. It sets way too fast - like in less than a minute after mixing it starts hardening, making it very difficult to work with. It also cracks horribly after curing… I had to remove and re-plaster surface with another product.
Date published: 2017-08-02
Rated 4 out of 5 by from Amazingly it does solidify under water. You do lose some product that washes away as you are try... Amazingly it does solidify under water. You do lose some product that washes away as you are trying to work into an opening, but, it does harden and does a good job sealing.
Date published: 2017-04-25
Rated 5 out of 5 by from The best I tried ! easy to handle... The best I tried ! easy to handle and the quick setting was exactly what was needed !
Date published: 2017-03-07
Rated 5 out of 5 by from Best It work amazing for me with the small project I had around the house
Date published: 2017-07-11
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