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B&Q£172.91Visit shop B&Q - J-B Weld Waterweld Epoxy Repair Putty (24 Pack)57G Off White Sticks25-Minute Set Time4370 Psi Strength
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This JB Weld WaterWeld Epoxy Repair Putty 24-pack is designed for professionals and high-volume users who need reliable, waterproof repairs in challenging environments. Its key benefit is the ability to bond effectively to wet, damp, and even underwater surfaces, offering a strong, permanent solution for plumbing, marine, and industrial applications. A potential caveat is the 25-minute set time, which requires efficient application for larger or more complex repairs.
| Colour | White |
|---|---|
| Model Part Number | 4370 |
| Brand | JB Weld |
Yes, J-B Weld WaterWeld is NSF Approved (ANSI Standard 61) for use in potable water applications once fully cured.
You have approximately 25 minutes of working and set time after the resin and hardener are fully mixed.
Cured WaterWeld can withstand temperatures up to 300°F (149°C) after 24 hours.
Yes, once fully cured (typically within 1 hour), the WaterWeld putty can be drilled, tapped, sanded, and painted for a finished look.
Store unused putty sticks in their original packaging in a cool, dry place. Ensure the packaging is sealed to prevent the putty from drying out or curing prematurely.
Yes, WaterWeld is specifically designed for underwater use and is excellent for marine applications, including below-waterline repairs.
Unopened and properly stored, J-B Weld WaterWeld has a shelf life of approximately 3-5 years.
Ensure the putty was kneaded thoroughly until a uniform color was achieved. In very cold temperatures, warming the putty slightly before mixing may help. Also, verify the product is not expired.
While WaterWeld bonds to wet surfaces, ensure the area is as clean as possible from grease, oil, or loose material. Roughing up smooth surfaces slightly with sandpaper before application can also improve grip.
Wear gloves during mixing and application. If gloves are not available, a light dusting of water on your hands can help, but this may slightly reduce adhesion on the contact surface.
Ensure the correct amount of putty was used for the size of the repair and that it was applied with sufficient pressure. Verify the 4370 PSI rating is adequate for the intended application's stress levels.
Setup:
Compatibility:
WaterWeld bonds well to a variety of materials including PVC, ABS, metal, fiberglass, concrete, and ceramics. It is suitable for repairs in plumbing, marine, automotive (non-engine block), and household applications. Avoid use on rubber or flexible plastics where significant movement occurs.
Care:
Store unused putty sticks in their original packaging in a cool, dry place, away from direct sunlight. Ensure the package is sealed to prevent premature curing. Cured repairs can be cleaned with mild soap and water. Avoid abrasive cleaners.
