JB Weld
JB Weld WaterWeld Epoxy Putty — 57g
Part No: 8277 | Barcode: 43425612779
WaterWeld is a waterproof, hand-mixable epoxy putty that sets and cures even underwater. With 4730 PSI strength and waterproof rating to 500 PSI, it seals cracks and repairs pipes, pool fittings, marine equipment and any surface exposed to water.
57g Putty Stick
Cures Underwater
4730 PSI
Waterproof 500 PSI
White Cure
Hand Mixable
Suitable For
Plumbing
Marine
Pools
Baths & Showers
Water Tanks
Key Features & Benefits
- Cures underwater — can be applied and will cure fully even when submerged, no need to drain or dry the area.
- 4730 PSI strength — the strongest putty stick in the JB Weld range.
- Waterproof to 500 PSI — seals against water pressure for permanent leak repairs.
- White cure colour — cures to a white finish that blends with most plumbing and pool fittings.
- Sets in 25 minutes, cures in 1 hour — fast turnaround for water-related emergency repairs.
When to Use This Product
Use WaterWeld (8277) for any repair that involves water — leaking pipes, pool cracks, bath/shower repairs, marine equipment and water tank patches. It can be applied underwater without draining. For metal-specific repairs in dry conditions, use SteelStik (8267) which sets faster.




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