Model # 00917

Internet #100553093

Store SKU #938121

DRYLOK 4 lb. Fast Plug Hydraulic Cement
0079941009175

DRYLOK

4 lb. Fast Plug Hydraulic Cement

  • Super fast setting hydraulic cement - sets in 3 to 5 minutes
  • Seals floor/wall & mortar joints and cracks & holes in masonry
  • Stops active water leaks and anchors metal to masonry
$7.45 /each

Frequently Bought Together

Product Overview

Use the United Gilsonite Laboratories 4 lb. DRYLOK Fast Plug Hydraulic Cement to seal settlement cracks in masonry walls and floors. The fast-setting hydraulic cement can help to reduce radon gas penetration.

California residents: see   Proposition 65 information

  • Use to seal cracks in masonry, stop active water leaks and anchor posts and railings
  • Interior/exterior use
  • Mixes easily with water
  • Sets in 3 - 5 minutes
  • Expand as it cures
  • Compressive strength of cured material at: 3 Hours - 365 psi, 24 Hours - 2650 psi, 28 Days - 11975 psi
  • Learn more about concrete and cement here in our Buying Guide



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Customer Questions & Answers

How long must this cure before coating with epoxy?

Asked by: jclechner
The product is fully cured at 28 days.
Answered by: CommunityAnswer
Date published: 2017-03-15

Will drylock work to seal wood wal l meeting concrete floor?

Asked by: Gaga
It would not seal the wood, however, water will not penetrate the product.
Answered by: GFactor
Date published: 2017-03-05

Can this product be painted over?

Asked by: DCS
Yes, this product can be painted over.
Answered by: CommunityAnswer
Date published: 2016-09-09

Is this the right product for fixing a large hold in an exterior wall and small cracks?

Asked by: ed
This is not the right product to fix large holes. Take a look at Mortar Mix by Rapid Set as that would be a better solution.
Answered by: GFactor
Date published: 2017-03-05
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Customer Reviews

4 lb. Fast Plug Hydraulic Cement is rated 4.8 out of 5 by 11.
Rated 5 out of 5 by from Thought this would work! Septic tank started leaking. Under 2 ft of hard-pack I found that the cement around the fill pipe had chunked out and was flowing into the ground rather well. I got this product and was VERY happy it came with a scoop!! Measuring was easy as the directions are explained very easily. I was a little nervous to make too much but it mixes so quickly that I was able to mix a second patch and finish the job. By the time the second batch was set, the leak was fixed. FOLLOW THE DIRECTIONS.
Date published: 2016-09-27
Rated 5 out of 5 by from Cures underwater I've used this project to seal leaks in concrete floors and walls on many small projects. It is great for sealing small and large cracks. It can be applied underwater too. It cures based on the temperature of the water: hotter is faster. It also works fine when the surface and patch area is relatively cold. It clings to coarse vertical surfaces too. There are only a few things to remember: 1. Work quickly or it'll cure in your mixing bucket after just a couple of minutes. 2. The pressure of the water flowing out of the crack can push the mixed and hardening drylock out. 3. It's cement and you should wear latex or rubber disposable gloves and a painter's breathing mask. Eye protection goggles are good too. 4. Use a disposable mixing bucket because the left-over has cured and is is attached to the bucket. 5. You only mix drylock and water. You don't need to add anything else as with regular cement. Beyond safety, the most important thing to note is that it will take a day or so before it fully cures. You may get a trickle of water until then.
Date published: 2015-01-13
Rated 4 out of 5 by from Works great, even when used for what it wasn't intended. In my closet, the back wall of that closet was against my Farmer's porch. The closet was always cold. So I ripped out the drywall to find no insulation at all. also, at the bottom of the closet where the floor meets the wall, there was moisture. Basically the wood floor ended, there was a gap and then I could see where my porch slate started. I mixed this up and poured it into the gap to fill it and lock out any more moisture. It mixed and spread great and sealed all the empty space. I would imagine this will work great. Next step is to seal the outside as well.
Date published: 2014-01-08
Rated 5 out of 5 by from Appears to work I used this product to fill a hole in the bottom of my basement wall. The hole was drilled from the inside to hopefully channel water from inside the blocks to the new drain outside. The contractors had filled the 1 inch hole with silicone but after it rained there was noticeable seepage from the hole. I removed the silicone and used this product instead. I also used this product to close a small gap where the same wall meets the floor. I am sure that the cement will stop the water in the drilled hole and am hoping that it will keep water out of the corner too. Again, I am only hoping to stop the water on the inside of the wall long enough for it to find the nearby outside drain. I used a margin trowel to mix the cement in a bucket and used rubber gloves and my hands to apply the cement to the wall and to spread it into the corner. I covered the dried cement with the same waterproof coating as the walls.
Date published: 2012-08-15
Rated 5 out of 5 by from Works well even in wet nasty areas I used this UG Drylock Fast Plug Hydraulic Cement in a wet nasty place; the distribution box for my septic system. The pipes coming out of the distribution box were loose. It is not like one can clean the old concrete box up well, but the dry lock was able to bind and cure and hold things in place.
Date published: 2012-03-02
Rated 5 out of 5 by from Drylok Fast Plug Pond Repairs I used it to repair cracks at the base of my waterfall pond. Powdered mix is easy to prepare but mix only what you can use immediately as the product sets up fast. Smooths out easily for a nice finish. I covered this patch with Drylok waterproofer latex paint.
Date published: 2012-07-21
Rated 5 out of 5 by from Easy to use and works well I used this to repair cracks in the cement retaining wall that wraps around our driveway. It was covered with fine cracks and had quite a few larger cracks as well. I'm a new homeowner with very little experience with this type of repair, but this product was super easy to use, and it is holding up well.
Date published: 2014-06-21
Rated 5 out of 5 by from did just what I wanted. I followed the directions and within 10 minutes of arriving home with it my leaking gas inlet pipe was on its way to being sealed up. It's amazing. But, as with most other dusty substances, try not to create dust. It's not good for you.
Date published: 2013-06-25
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