

💪 Fix it once, fix it right—underwater or on land!
J-B Weld WaterWeld is a hand-mixable, two-part epoxy putty stick that cures underwater in just 1 hour. Certified safe for potable water, it offers a robust 1300 PSI lap shear strength and withstands continuous temperatures up to 300°F. Ideal for plumbing, marine, and automotive repairs, it bonds to a wide range of surfaces including metals, plastics, and fiberglass, delivering professional-grade durability for every DIY enthusiast.








| ASIN | B000BRQ0TW |
| Best Sellers Rank | #1,377 in Automotive ( See Top 100 in Automotive ) #7 in Automotive Fillers, Adhesives & Sealants |
| Department | Epoxy |
| Item model number | 8277 |
| Manufacturer | J-B Weld |
| Product Dimensions | 2.54 x 10.16 x 17.78 cm; 70 g |
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