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J-B Weld Original Cold-Weld™ Epoxy

Professional Size
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5020 PSI

Set Time

4-6 Hours

Functional Cure

15 - 24 Hours

Cure Colour

Dark Grey

J-B Weld is The Original Cold Weld two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces.

Mixed at a ratio of 1:1, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. At room temperature, J-B Weld sets in 4-6 hours to a dark grey color. A full cure is reached in 15-24 hours.

J-B Weld has a tensile strength of 5020 PSI and sets to a hard bond overnight. It can withstand temperatures up to 550ºF when fully cured.


Great For:

  • Household Repairs

  • Automotive

  • Plumbing

  • Marine

  • Crafts

  • Brick

  • Concrete

  • Fiberglass

Made in the USA US flag



Clean repair area of dirt, grease, oil, paint, rust etc. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse snadpaper to provide best repair.


After removing the replaceable cap, press down on plunger and squeeze equal amounts onto a disposable surface and mix thoroughly.


Press with appropriate tool in an even coat, weld bead or extruded shape as needed.


Sets in 4 - 6 hours. Cures in 15 - 24 hours. Allow 4 - 6 hours before handling, and 15 hours (minimum) before putting object back in use.

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