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How to repair a leak in a lead pipe bathtub drain

Updated February 21, 2017

There are many ways to repair bathtub drains. Using epoxy putty has to be the easiest and fastest way to repair a lead bath drain under your house. If your lead drain is under the bathroom or kitchen sink, epoxy putty is still the best choice.

Rough the drainpipe surface around the drain leak. Wearing a respirator for safety, sand the area in, on and around the leak with rough grit sandpaper. Sanding will help the putty stick to the lead drainpipe.

Work a small amount of putty with your hands until it is warm and uniform in colour.

Press the putty into the leak of the lead drain line.

Form the putty around the lead pipe. Working quickly, flatten the putty with your hands from the centre of the patch to the outer edges.

Test for leaks. Wait the manufacturer's recommended drying time, turn the water on in the bathtub and check for leaks.

Tip

Use rubber gloves to keep your hands clean.

Warning

Lead is a health hazard; make sure your respirators rated for lead protection.

Things You'll Need

  • Respirator
  • Sandpaper
  • Gloves
  • Epoxy putty
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About the Author

Kelly Schuler is both a writer and a plumber. He self published "Plumbing Do's and Dont's" in 1999. Schuler has been a licensed plumbing and gas-fitting contractor since 2001 and a licensed journeyman plumber since 1986. He actively owned and operated his own plumbing and gas fitting business from 2001 to 2008.