Leaking Pipe Under Bathroom Sink

Signs of under sink plumbing trouble.

Leaking pipe under bathroom sink.

Before you attack your leaky pipe problem examine the pipes underneath the sink to identify the culprit. It is leaking down into my bathroom cabinet and getting everything wet. I installed a new bathroom faucet and it came with a new drain pipe and sink drain outlet flange. Under sink leaks can do a lot of damage but they re usually fairly easy to pinpoint and repair.

Part of knowing how to fix a leak in a bathroom sink is figuring out exactly where the leak is coming from. Water can run down the pipes into the floor or subfloor rotting the sink base the floor and the framing. The water that is damaging the cabinet or the floor may be coming from the drainpipes the supply. Don t panic it s a straight forward job that in most instances does not require any too.

Supply leaks under the kitchen sink or bath vanity can go unnoticed for a long time since they re usually at the back of the cabinet. You open the sink cupboard door and oww. There is water everywhere. The leak is coming from where the plastic nut on the drain pipe meets the bottom of the bathroom sink.

From the sink drain the tailpipe leads into a p trap. Bathroom sink leaks are usually caused by a bad drain pipe loose pipe connection or leaky sink drain flange.