WaterWeld Epoxy Putty, 7" Length, 4oz Stick

When a leak strikes, you need a repair that holds—and one you can make right where the problem is, even under water. WaterWeld Epoxy Putty plugs and seals leaks and patches holes and cracks in almost anything, giving you a fast, dependable fix without draining tanks or waiting for surfaces to dry.

Key Benefits

• Cures even underwater – Make repairs on wet or submerged surfaces without stopping the flow first.
• Fast set time – Sets in 15–25 minutes and hardens in one hour, so you can get back to work quickly.
• Strong, lasting bond – Rated at 4,370 PSI for repairs built to hold under pressure.
• Handles real-world conditions – Withstands water pressure up to 500 PSI and temperatures up to 250°F.
• Fully workable after curing – Drill, tap, file, sand, and paint it to match your finished repair.
• Clean, neutral finish – Cures to an off-white color that blends into most surfaces.

Best For

WaterWeld is ideal for repairing plumbing, fuel tanks, tubs and showers, drains, pools and spas, boats, and potable water tanks. Whether you're patching an emergency leak or handling routine maintenance, it delivers a secure, permanent fix across a wide range of materials and jobs.

Specifications

• Length: 7"
• Weight: 4 oz stick
• Set time: 15–25 minutes
• Full hardness: 1 hour
• Cured color: Off-white
• Bond strength: 4,370 PSI
• Max water pressure: 500 PSI
• Max temperature: 250°F
• Post-cure options: Drillable, tappable, fileable, sandable, paintable

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