J-B Weld WaterWeld is a hand-mixable, two-part epoxy putty stick that sets and cures underwater. Ideal for emergency plumbing repairs, pool and spa fixes, boat hulls, fuel tanks, and household applications where surfaces may be wet or submerged.

• Sets underwater - no need for dry surfaces before application
• Tensile strength: 4,370 PSI - withstands water pressure up to 500 PSI
• Sets in 15-25 minutes, fully cures in 1 hour
• Temperature resistant up to 250 deg F after curing
• NSF approved for use with potable water
• Bonds to steel, copper, aluminum, brass, porcelain, ceramic, glass, PVC, fiberglass, wood, concrete, and more
• After curing, can be drilled, tapped, filed, sanded, and painted
• Hand-mixable putty stick - no measuring tools required