Plastic drainpipes under you sink may leak from a number of locations and for a number of reasons but you can repair or correct these leaks yourself.
Leaking plastic pipe under sink.
Pvc pipes and joint fittings are typically glued together with pvc solvent glue.
Remove any supplies or equipment from the area under the pipes.
The bad news is that if you get a leak in a pvc joint or pipe you can t separate the joints to replace the leaky parts.
Before you attack your leaky pipe problem examine the pipes underneath the sink to identify the culprit.
From the sink drain the tailpipe leads into a.
Once the water supply is shut off decide how to fix a leaky pipe temporarily to prevent damage until a more permanent repair can be made.
It s far more likely for water to leak from a bad connection and fortunately every connection under the sink is easy to tighten.
It s possible for a pipe or hose to spring a leak all on its own but it s rare.
How to diagnose a p trap leak a p trap leak isn t like a leak from a pressurized water pipe and because it only happens when water is draining from the sink you might not know it s there until water.
You open the sink cupboard door and oww.
I installed a new bathroom faucet and it came with a new drain pipe and sink drain outlet flange.
Don t panic it s a straight forward job that in most instances does not require any too.
Plastic pipes do not require the same level of expertise to repair that metal pipes require and the pipes are cheaper to replace should you opt to do so.
Find the exact source of the leak because pipe leaks in the middle of a straight run might use a quick fix method that is different from what is needed near a pipe fitting.
How to fix a leaky plastic sink drain pipe.
Look for where the drip is originating.
When a p trap leak occurs it s usually because the nuts aren t tight enough the pipes are misaligned or a p trap washer isn t seated correctly.
The faucet works great but the drain pipe is leaking under the sink.
A permanent repair usually.
These connections are quick and permanent as the plastic parts are chemically fused together with solvent cement.
In many cases it comes from loose fittings especially the coupling nuts that connect the pipe sections together.
There is water everywhere.
The leak is coming from where the plastic nut on the drain pipe meets the bottom of the bathroom sink.
If that pipe called a trap or p trap is leaking either fix it or replace it with an inexpensive new one before water damages the area under the sink.