Product Overview
JB Weld Waterweld 2oz

Keep your boat seaworthy with JB Weld WaterWeld 2oz, the ultimate two-part epoxy putty for quick and reliable underwater repairs. This powerful sealant plugs leaks, patches holes and cracks in virtually any material, even under the most challenging wet conditions. From fiberglass hulls to aluminum fittings and even plumbing, WaterWeld provides a permanent, rock-solid bond that can be drilled, tapped, filed, sanded, and painted once cured. Get back on the water faster with the durable and versatile solution trusted by boaters everywhere.
Key Features
- **Unrivaled Underwater Performance:** Sets and cures even underwater, making it ideal for emergency leak repairs and hull patching.
- **Strong and Durable Bond:** Achieves an impressive 4370 PSI tensile strength, ensuring a long-lasting repair that can handle tough marine environments.
- **Fast-Acting Formula:** Sets in just 25 minutes and cures in 1 hour, minimizing downtime and getting you back to enjoying your boat.
- **Versatile Application:** Works on a wide range of materials including fiberglass, aluminum, metal, and even plastic, covering most boat repair needs.
- **Withstands High Pressure:** Tested to withstand water pressure up to 500 PSI, providing a secure seal even in demanding situations.
- **Heat Resistant:** Tolerates temperatures up to 250°F, making it suitable for engine compartment and exhaust system repairs.
- **Easy to Use:** Simply cut the required amount, knead by hand, and apply – no special tools or equipment needed.
- **Paintable and Finishable:** Once cured, the off-white finish can be sanded, drilled, tapped, filed, and painted to match your boat’s surface.
Specifications
The Captain's Take
After decades on the water, I've seen my share of boat repairs. JB Weld WaterWeld is a staple in my toolkit. It's saved the day more times than I can count, from patching unexpected hull damage to fixing leaky plumbing. Its reliability and ease of use, even in wet conditions, are unmatched. Trust me, this is one product every boater should have on board.