JB Weld WaterWeld Putty is a versatile chemical repair compound designed for professionals and DIY enthusiasts needing a reliable solution to seal leaks and patch holes. It is suitable for use on a wide range of materials and surfaces, making it ideal for plumbing, fuel tanks, tubs, showers, drains, pools, spas, boats, and potable water tanks.

This epoxy putty sets underwater and cures to a durable off-white solid within one hour, with a working set time of 15-25 minutes. Once cured, it can be drilled, tapped, filed, sanded, and painted, providing a permanent repair solution. WaterWeld offers a tensile strength of 1300 PSI and withstands temperatures up to 300°F, ensuring long-lasting performance in demanding environments.

• Effective for sealing leaks and repairing cracks in plumbing and fuel tanks
• Suitable for wet and underwater applications
• Can be shaped and finished after curing (drilled, tapped, sanded, painted)
• High tensile strength of 1300 PSI
• Heat resistant up to 300°F