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4.5 out of 5 stars. 346 reviews
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J-B Weld 2 oz. WaterWeld Epoxy Putty

4.5

(346 Reviews)

|

Item # 130708

$10.99

$9.99

Save $0.5 (5%)

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A woman outside with a dog

J-B Weld 2 oz. WaterWeld Epoxy Putty

J-B Weld 2 oz. WaterWeld Epoxy Putty

Item # 130708

J-B Weld J-B Weld 2 oz. WaterWeld Epoxy Putty
J-B Weld J-B Weld 2 oz. WaterWeld Epoxy Putty


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J-B Weld 2 oz. WaterWeld Epoxy Putty

Item # 130708

J-B Weld J-B Weld 2 oz. WaterWeld Epoxy Putty
J-B Weld J-B Weld 2 oz. WaterWeld Epoxy Putty

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Grassland (franklin) TN

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J-B Weld WaterWeld will plug or seal leaks and patch holes and cracks in almost anything. Ideal for repairing plumbing, fuel tanks, tub and shower, drains, pool and spa, boats and potable water tanks; setup occurs even under water. After curing, it can be drilled, tapped, filed, sanded and painted. WaterWeld has a set time of 25 minutes and sets hard in one hour. WaterWeld cures to an off-white color, is rated at a strength of 4370 PSI and will withstand water pressure up to 500 PSI and temperatures up to 250 degrees F.

  • Hand-mixable epoxy putty stick specifically formulated to plug or seal leaks and patch holes and cracks in almost anything
  • Great for repairing plumbing, fuel tanks, tubs, showers, drains, boats and portable water tanks
  • Sets in 25 minutes, cures in 1 hour to an off-white color with a strength of 4730 PSI
  • Once cured it forms a permanent bond and can be drilled, tapped, filed, sanded, painted and will withstand water pressure up to 500 PSI and temperatures up to 250 degrees F.

Q&As

1 - 10 of 20 Questions

Q: Will this work to repair a puncture to a preformed pond

a month ago
1 Answer
  • A: The pond needs to be dry to work. I would look to swimming pool adhesive patch kits that can be applied underwater
    a month ago
    Helpful?

Q: How dry does copper pipe need to be

a month ago
1 Answer
  • AI-generated
    A: It is not necessary for the copper pipe to be dry, as this product is designed to set even under water. However, for the best results, ensure the application area is clean and sanded to help the epoxy adhere properly.
    a month ago
    Helpful?

Q: Wil it fuse plastic and metal

2 months ago
1 Answer
  • A: Depends on the application. Best to contact jbweld.com directly for help.
    2 months ago
    Helpful?

Q: Can I use this on a hairline Crack in my toilet tank?

10 months ago
2 Answers
  • A: Marine weld 50172 is better for this
    10 months ago
    Helpful?

Q: Can it be used on cast iron

10 months ago
1 Answer
  • A: Better to use the Original 8265 for this
    10 months ago
    Helpful?

Q: Can this be used for a pin whole in water line. Galvanized pipe?

a year ago
1 Answer
  • A: Yes, please follow all package directions.
    a year ago
    Helpful?

Q: Glue rubber to plastic

a year ago
1 Answer
  • A: Super glue or weatherstripping adhesive for rubber to plastic
    a year ago
    Helpful?

Q: Can you use this on automotive radiator

a year ago
1 Answer
  • A: Look to our 2120 Radiator kit for this. Be sure to have the included mat cut to size before you mix the epoxy. You will only have about 2-3 minutes to mix and apply the epoxy before it starts to set. Mix for no more than 1 minute. Apply before the mix starts to get warm in the packaging which means the epoxy is starting to cure. Contact us at jbweld.com for anymore help needed.
    a year ago
    Helpful?

Q: What is best for cleanup if I over uses it?

a year ago
1 Answer
  • A: Acetone while still wet. After it dried best to remove with a small grinder like A Dremel and bit
    a year ago
    Helpful?

Q: Can you use this product on a vinyl above ground pool under the water ?

a year ago
1 Answer
  • A: It can cure underwater but will not adhere well to a wet surface.
    a year ago
    Helpful?
1 - 10 of 20 Questions

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Reviews

Rating Snapshot

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264 reviews with 5 stars.
45 reviews with 4 stars.
10 reviews with 3 stars.
2 reviews with 2 stars.
25 reviews with 1 star.

Overall Rating

4.5
288 out of 308 (94%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
The epoxy putty is effective for sealing leaks and cracks on various materials. It cures quickly, even in wet conditions, and forms a strong, durable bond. Customers report successfully using the prod...
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Most Helpful Favorable Review

WATER TROUGH LEAK FIX THAT WORKS

5 years ago
This stuff works and is easy to apply - I have troughs that the leak fix has held in years - some cracks were as long as 4-5 inches and some also had small holes - this stuff has held on Rubbermaid 100+ gallon and 50 gallon water troughs AND works on the recycled water troughs as well According to the packaging it is drinking water safe
5 people found this helpful
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Most Helpful Critical Review

Good product, horrible package

5 years ago
I used it on a cracked area in my tub surround shelf. Seems to be working very well. I gave it 3 stars, though, because the tube it comes in is so flimsy, that when it rolled off the edge of the tub, the tube shattered. Now it is very difficult to keep it sealed enough that it dries out very quickly. Didn't use much the first time, so the majority is wasted. That's a shame.
4 people found this helpful
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  • application
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1 to 4 of 346 Reviews .
1 – 4 of 346 Reviews
Arkansas
Review 1
GenderFemale
Age45 to 54

Great product for many uses at a good price

3 days ago
My friend put some on a tooth that had a crack in it and hurt really really bad. He had to let it sit for a little while before applying it but once he got it on his tooth he felt better! I guess it kept the nerve from being exposed or getting food on it. It did come out on its own after a few days so he's going to get some more and do it again but his friend that told him to do it stayed in for like three years! It's the craziest thing I ever heard but hey it might be useful info for somebody, all though of course I am not a dentist or doctor so I'm not recommending. We all make our own choices...

Yes, I recommend this product.

Originally posted on JBWeld.com

Dallas, TX
Review 1
GenderMale
Age55 to 64

Simple, easy strong.

a month ago
I was having trouble with a statue that came off it's mirrored base. It goes in a aquarium. A friend recommended this. Boy, it worked fantastic. Have lots of projects will be using more of your products.

Yes, I recommend this product.

Originally posted on JBWeld.com

Atlanta GA
Review 1
GenderMale
Age45 to 54

Works as advertised!!!

6 months ago
I had a pin hole leak on a copper pipe. I cut a piece, kneaded, and applied it to the leaking pipe using a hose clamp to keep in place. Within a few minutes the leak stopped. I dried the area and checked back 8 hours later and the area was still dry. It fixed the leak without having to cut the water off to replace the copper pipe.

Yes, I recommend this product.

Originally posted on JBWeld.com

Los Angeles
Review 1
GenderMale
Age55 to 64

I'm king of the world!

7 months ago
The catch at the bottom of our washing machine became stripped and was spinning freely. Clothes not agitating at all. After I finally figured out this is why my fairly new thousand dollar machine wasn't getting the clothes clean I put JB WaterWeld around the spindle, placed the agitater back on and three years later it's still holding....Man do I look like a genius. Great product, Thank you.

Yes, I recommend this product.

Originally posted on JBWeld.com