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Model #112620

Store SKU #759837

20 lb. Hydraulic Water-Stop Cement Concrete Mix

  • Instantly plugs leaks in concrete and masonry surfaces
  • Can be used in above and below grade applications
  • Sets in 3-5 minutes
  • See More Details

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Product Overview

Quikrete 20 lb. Hydraulic Water-Stop Cement blocks running water and seals leaks in cracked masonry and concrete surfaces. It is suitable for above grade and below grade concrete and masonry repairs. Quikrete 20 lb. Hydraulic Water-Stop Cement sets very quickly enabling it to stop active water leaks.
  • Seals leaks and blocks running water in cracked concrete and masonry surfaces
  • Suitable for above-grade and below-grade repairs
  • Mix golf-ball sized portions
  • 3-5 minutes set time
  • 5,500 psi
  • Note: product may vary by store
  • Learn more about concrete and cement here in our Buying Guide



  • California residents

Info & Guides

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20 lb. Hydraulic Water-Stop Cement Concrete Mix
20 lb. Gray Leak Stopper
BrandDRYLOKDRYLOKQuikreteSAKRETE
Name4 lb. Fast Plug Hydraulic Cement MixFast Plug 10 lb. Hydraulic Cement20 lb. Hydraulic Water-Stop Cement Concrete Mix20 lb. Gray Leak Stopper
Price
Ratings
(195)
(121)
(779)
(65)
Use LocationCeiling,Columns,Curbs,Floor,Foundation,General Purpose,WallCeiling,Columns,Driveway,Floor,Foundation,General Purpose,WallWallFloor,Wall
Recommended ApplicationCement,Concrete,Masonry,MortarCement,Concrete,Masonry,StuccoMasonry
Material Cement
View ProductView ProductView ProductView Product

Specifications

Dimensions

Product Depth (in.)
9.5
Product Height (in.)
10.5
Product Length (in.)
9.5

Details

Color Family
Gray
Color/Finish
Gray
Drying Time (hours)
2
Features
Hydraulic Cement
Interior/Exterior
Exterior,Interior
Product Weight (lb.)
20 lb
Recommended Application
Masonry
Repair Type
Patch
Returnable
90-Day
Use Location
Wall

Warranty / Certifications

Manufacturer Warranty
See packaging.

Questions & Answers

193Questions40Answers

Is this product paintable?

Asked by Grace April 11, 2021
5
Answers

Yes. When it cures, it looks like dark grey concrete. You can paint it with anything that you would paint concrete with and expect the paint to last just as it would with concrete.

Can you use this product to repair stucco cracks on the parapet of my roof? Water is seeping thro...

Asked by Joe April 7, 2021
3
Answers

Neither stucco nor QUIKRETE® Hydraulic Water-Stop Cement will function as a water barrier. The water barrier will have to be repaired or replaced prior to patching the stucco cracks.

Was looking to see if anyone asked if this product can be painted after it cures. Didn't notice ...

Asked by Rick March 19, 2021
5
Answers

Yes, I used flex seal. I mixed the white and black 50/50 to get gray.

quikrete wrote: "QUIKRETE® Hydraulic Water Stop Cement is designed for plugging active leaks in c...

Asked by luu February 17, 2021
3
Answers

Carl, can you list the names of the better products.

how big an area will it cover with about a quarter inch thick?

Asked by luu February 16, 2021
1
Answer

QUIKRETE® Hydraulic Water Stop Cement is designed for plugging active leaks in concrete and masonry; it is not suitable as a coating. Only a golf ball sized portion of the material should be mixed at a time.

Will it work on cracks in driveways

Asked by Chief February 14, 2021
7
Answers

QUIKRETE® Hydraulic Water-Stop Cement is not an ideal product for repairing driveway cracks, as it sets in 2-3 minutes and must be ground to be even with surrounding concrete. QUIKRETE® has many superior crack repair products, depending on the nature, size, and source of the cracks. Please contact our customer support representatives at 800-282-5828 or online via LiveChat at www.quikrete.com for further product selection advice.

Will it work at 32 °F ?

Asked by Satch January 15, 2021
5
Answers

The directions said to use warm water below 50 degrees. I used mine at 45+.

Can I use this product to stop water coming up through the basement slab after a heavy rain? Area...

Asked by kingston December 30, 2020
4
Answers

yes, indeed, that is what it is for. Just follow the directions.

Can this be mixed with concrete to speed up drying time ?

Asked by John December 14, 2020
3
Answers

It dries in about 10 minutes to an unworkable state. I wouldn't recommend mixing it with anything.

Good directions using by weight mixing. Could a get a rough estimate by volume? ie 1/4 cup cemen...

Asked by Ken December 13, 2020
4
Answers

Experiment using 1/2 half teaspoon water than add more if mixture is not putty like. & total up the measures that make the mixture you want. 1/2 cup cement to ----teaspoons water.

20 lb. Hydraulic Water-Stop Cement Concrete Mix - page 2

Customer Reviews

  • 4.6
    out of 779 reviews
  • 94% recommend this product
Filter by:
Showing 1-10 of 779 reviews
The product was excellent for repairing the side walk
The product was excellent for repairing the side walk
by Stan
Good
Good
by Kamalasree
1 person found this helpful
Stooped all the leaks in the basement , it the job I bought it for.
Stooped all the leaks in the basement , it the job I bought it for.
by house
5 people found this helpful
Used to set an abs drain pipe into a broken clay pipe. Worked perfect. Dried within 30 minutes.
Used to set an abs drain pipe into a broken clay pipe. Worked perfect. Dried within 30 minutes.
by Standnshout
6 people found this helpful
Very easy to use. It does set quickely as directed but works great. Just use small amounts at a ...
Very easy to use. It does set quickely as directed but works great. Just use small amounts at a time.
by BRUCE
2 people found this helpful
Very good product easy to mix and drys fast to...
Very good product easy to mix and drys fast to a strong seal
by Nick
Used for years and years(decades) - consistent excellent results. 60 year old inground monster ...
Used for years and years(decades) - consistent excellent results. 60 year old inground monster pool with new cracks and repairs needed each year- also create a temporary plug every year to keep the water in. Works great. Most recent purchase for custom solution to a not so clever plumber's damage to a drain line- isolated the damage and "sealed/ encased" it with a form and Quickrete Hydraulic cement. My go to plug.
by Mhsrep
3 people found this helpful
We needed to make repairs to a decades old seawall. This required damming up lake water to keep ...
We needed to make repairs to a decades old seawall. This required damming up lake water to keep it away from the surface as well as a product that could dry quickly once applied. Quikrete Hydraulic Water-Stop Cement Concrete Mix is "just the ticket"!
by Gunlakegirl
I'm using this for mosaic stepping stones. Working great so far; but will test over the northeas...
I'm using this for mosaic stepping stones. Working great so far; but will test over the northeast winters!
by Darleen
1 person found this helpful
worked perfect..water stopped immediately and remains so after several weeks...looks like a fix t...
worked perfect..water stopped immediately and remains so after several weeks...looks like a fix to me...yea, Quickcrete !
by Wayside
2 people found this helpful
Showing 1-10 of 779 reviews