J-B Weld Water Weld Epoxy Putty - 2 OZ White
J-B Weld Water Weld Epoxy Putty - 2 OZ White
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J-B Weld Water Weld Epoxy Putty - 2 OZ White

4.2 stars out of 590 reviews
(4.2)|
590 ratings
J-B Weld Water Weld Epoxy Putty - 2 OZ WhiteWATERWELD EPOXY PUTTY 2 OZ3 pack WATERWELD EPOXY PUTTY 2 OZ
Pack Size:Single

Key item features

  • Versatile Applications: Great for plumbing & irrigation, marine & boats, tubs, showers & drains, and potable water tanks.
  • Material Compatibility: Works best on rigid plastics and fiberglass; also suitable for all metals, stone, and concrete.
  • High Pressure Resistance: Holds up to 10 times typical household water pressure, ensuring durability.
  • Easy to Use: Hand-mixable epoxy putty that molds to fit and shape anywhere, sealing and filling cracks and holes.
  • Quick Setting: Sets in 25 minutes and fully cures in one hour, providing fast and efficient repairs.
  • Strong Bond: Forms a permanent bond with most clean and dry surfaces, even underwater with consistent pressure.
  • Post-Cure Workability: Once cured, it can be drilled, tapped, filed, and sanded, withstanding 4370 PSI tensile force and 500 PSI water pressure.
  • Temperature Tolerance: Withstands temperatures up to 250F, making it suitable for various environments.
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About this item

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Customer ratings & reviews

4.2 out of 5 stars
stars590 ratings296 reviews
How item rating is calculated
  1. 5 stars68% (400)
  2. 4 stars11% (62)
  3. 3 stars6% (36)
  4. 2 stars3% (19)
  5. 1 star12% (73)

Reviews summary

Pros
  • : Enables quick fixing of small issues.
  • : Fills small holes and cracks in porcelain tubs.
  • : Cures in under an hour.
  • : Dries in a short time frame.
Neutral
  • : Can be strong, but inconsistent with certain materials.
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Showing 1-3 of 296 reviews

Aug 25, 2024
WalmartCustomer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

good for the buck

pros - this is a must-have! it does what it does, and it does it good, it dries quicker than the other ones, easy to mix and durable. cons - it does not work with gasoline as it says, its very little quantity, dries too quick so you need to have a contingency plan before applying, if not it ends up on your glove more than the affected area.

Helpful?5MYUMJHN444G23848095
Nov 1, 2025
Barbie
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great product!

I have used JB Weld products for many years. I have an outside hose bib with a crack and saw that JB also has a product called Water Weld for plumbing and water applications. What is amazing is that this is so easy to use, had a rapid dry and cure time and hold up to high pressure and is impervious to water. This is a huge savings as repairing yourself will eliminate the cost of a plumber. Definitely a win, win!

Helpful?5MYUMJHN444G23848095
Nov 10, 2025
Julie
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Saved us redoing a week of work!

welp,.... we did a thing. Hubby was installing a deck and we put in stakes to secure the deck to the ground ( tornadoes) and we had NO CLUE that there was a water line running under the dirt right there. UGH. the deck was 3/4 built at that point, so our choices were... tear out the deck and fix the plumbing... or patch the hole. THIS STUFF did a fantastic patch job. it sealed it right up, like it was never there. and the line that was punctured was a high pressure line that fills our pool. so you know it was gonna need to be a good repair. and it was. Bonded just perfectly. A great stuff!

Helpful?5MYUMJHN444G23848095