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How Do I Stop My Sink Pipe from Leaking?

Published in Plumbing Repair 3 mins read

Stopping a sink pipe from leaking can often be accomplished through several methods, ranging from temporary fixes to replacing specific parts of the plumbing.

Addressing a leaky sink pipe is crucial to prevent water damage. Depending on the source and severity of the leak, different approaches can be taken.

Here are effective methods to stop your sink pipe from leaking:

Method One: Temporarily Patch Leaks

For a quick, temporary fix to stop an active leak, you can use specialized tape.

  • Utilize self-securing silicone tape to wrap tightly around the leaking area of the pipe.
  • This type of tape adheres to itself, creating a watertight seal that can hold until a more permanent repair is possible.

Method Two: Repair Leaky Pipe Connections

Often, leaks occur at the joints where pipes connect.

  • Leaks at connections can frequently be fixed using Teflon tape or plumber's tape.
  • Disconnect the leaking joint (ensure water is off!).
  • Wrap the threads of the pipe with Teflon tape in the direction the pipe tightens.
  • Reconnect and tighten the joint. The tape helps create a better seal on the threads.

Method Three: Replace the P-trap

The P-trap is the curved section of pipe under your sink, which is a common place for leaks due to debris buildup or age.

  • If the P-trap is the source of the leak, replacing it might be necessary.
  • Before starting, place a container under the pipe to catch any residual water.
  • Unscrew the slip nuts connecting the P-trap to the tailpiece and wall drain.
  • Remove the old P-trap and install a new one, ensuring connections are tight.

Method Four: Replace the Sink Strainer

Sometimes, the leak originates not from the pipes but from the sink strainer, the part that sits in the drain opening of the sink basin.

  • Leaks around the sink strainer indicate a problem with its seal to the sink.
  • This typically involves working from both above and below the sink.
  • Replacing the old strainer with a new one, using plumber's putty or a gasket to seal it to the sink basin, can resolve this type of leak.

By identifying the source of the leak and applying the appropriate method, you can effectively stop your sink pipe from leaking.

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