Sink Leaking From Drain Gasket

A leaking sink drain gasket is a common plumbing problem that can be easily fixed with a few simple tools and materials. The gasket is a rubber or plastic seal that sits between the drain flange and the sink basin, and it prevents water from leaking out of the joint. Over time, the gasket can become worn or damaged, which can lead to a leak.

If you suspect that your sink is leaking from the drain gasket, there are a few things you can do to confirm the diagnosis. First, check the area around the drain for any signs of water damage, such as swelling or discoloration. You can also run water into the sink and see if it leaks out from the joint between the drain flange and the sink basin.

If you confirm that the leak is coming from the drain gasket, you will need to replace the gasket. This is a relatively simple task that can be completed in a few minutes. Here are the steps on how to replace a sink drain gasket:

Turn off the water supply to the sink.
Loosen the nuts that hold the drain flange in place.
Remove the drain flange and the old gasket.
Clean the mating surfaces of the drain flange and the sink basin.
Apply a bead of silicone sealant to the mating surface of the drain flange.
Place the new gasket on the drain flange.
Reinstall the drain flange and tighten the nuts.
Turn on the water supply and check for leaks.

If you are not comfortable replacing the sink drain gasket yourself, you can call a plumber to do the job for you. However, this is a relatively simple task that most people can do themselves with a few simple tools and materials.

Here are some additional tips for preventing sink drain leaks:

Do not overtighten the nuts that hold the drain flange in place.
Use a silicone sealant to seal the joint between the drain flange and the sink basin.
Inspect the drain gasket regularly for signs of wear or damage.
Replace the drain gasket every few years to prevent leaks.

By following these tips, you can help to prevent sink drain leaks and keep your sink functioning properly.