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J-B Weld WaterWeld Epoxy Putty

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1300 PSI

Set Time

25 minutes

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 15-25 minutes and sets hard in one hour. WaterWeld cures to an off-white color, is rated at a tensile strength of 1300 PSI and will withstand temperatures up to 300ºF.


Great For:

  • Plumbing, Tubs, Showers & Drains

  • Fuel Tanks

  • Marine & Boats

  • Portable Water Tanks 

Functional Cure

1 Hours

Cure Colour

Off White

Made in the USA US flag



Remove required amount of putty


Thoroughly knead putty with fingers to a uniform colour


Press putty firmly to the surface to be repaired

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