How to Repair a Leak in a Lead Pipe Bathtub Drain


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.

Things You'll Need

  • Respirator
  • Sandpaper
  • Gloves
  • Epoxy putty
  • 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 color.

  • 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 center 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.

Tips & Warnings

  • Use rubber gloves to keep your hands clean.
  • Lead is a health hazard; make sure your respirators rated for lead protection.

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  • Photo Credit Party blowers image by Piter Pkruger from
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