How to Patch Pinhole Leaks in Pipes


A leaky pipe can quickly lead to bigger and wetter problems if not addressed right away. To prevent expensive plumbing problems you can temporarily fix pinhole leaks using common household items or a couple of cheap parts from the hardware store. Remember, this is only a temporary fix. Always call a plumber as soon as possible or replace the pipe yourself if you possess the know how.

Things You'll Need

  • Duct tape or electrical tape
  • Pencil
  • Plumber's repair epoxy putty
  • Small piece of rubber or section of garden house
  • Hose clamps
  • Locate the shutoff valve to the pipe, and turn it off to stop anymore water from leaking.

  • Dry the pipe off completely.

  • Break off the tip of a pencil in the pinhole. You can also use the tip of toothpick to do the job as well.

  • Wrap the pinhole leak with duct tape or electrical tape several times.

  • Cover the duct tape with plumbers epoxy repair putty (available at hardware stores) and let sit for at least a half hour before turning the water back on.

  • Try a different method by covering the pinhole leak with a small piece of rubber (like from an old bicycle tire) and hold it in place with a hose clamp.

Tips & Warnings

  • Older homes with galvanized pipes, which rust from the inside out, are more prone to leaks than copper pipes.

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