If after you clean up the back of the tub, the overflow still leaks, you have the option of applying a silicone water sealer to both sides of the gasket and mounting it and then snugging up the screws.

Why is my bath overflow leaking?

If you see water leaking, it is very likely you have loose connections in the drain fitting or the drain trap below the tub. Tighten or repair them as needed. If running water in the tub causes no leaking, run the shower instead.

How do you fix an overflow gasket in a bathtub?





Youtube quote:Ok so before you put it in what you want to do is take a little bit of Vaseline petroleum jelly and put like a little bit of a coat. On both sides.

Why is my bathtub leaking underneath?

Leaking drains are a likely cause of water that seeps from underneath your bathtub. This could be a leak coming from under the drain, which would require the help of a plumber to set right. However, a leaking tub drain could also be caused by a failing seal in the vicinity of the drain assembly.

Do all bathtubs have overflow drain?

A bathtub does not have to have an overflow drain but a bathroom must have a mechanism to prevent flooding. Having a floor drain can be a practical alternative but insurance and building code considerations should be factored into your decision.

How does a bathtub overflow work?

The water that enters the overflow hole, goes down a pipe which is connected to the tub floor drain. With a well-functioning overflow drain, excess water will flow out the overflow hole, through the pipe and into the drain so as not to cause any damage to your bathroom or anything under or around the tub.

Where does the gasket go on a tub drain?





A thick rubber gasket completes the seal on the underside of the tub. It goes over the drain insert before threading the insert into the elbow portion of the drain line, also called the drain waste shoe or ell.