It s far more likely for water to leak from a bad connection and fortunately every connection under the sink is easy to tighten.
Fix pvc pipe leak under sink.
Before you attack your leaky pipe problem examine the pipes underneath the sink to identify the culprit.
Turn off the supply of fluid to the pvc pipe via the shut off valve if the pvc pipe is a supply line.
Repair epoxies designed to bond to pvc and other plastics commonly come in putty and liquid syringe forms.
It s possible for a pipe or hose to spring a leak all on its own but it s rare.
From the sink drain the tailpipe leads into a.
When tightening connections doesn t do the job things may be complicated enough to warrant calling a plumber.
If the pvc is part of the drainage system don t run water into the drains during the repair.
It s easier to locate the leak if you still have water or fluid running through it.
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.
How to fix a leaky plastic sink drain pipe.
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.
Dry the area and apply the epoxy as directed by the manufacturer.
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.
Both can be used to repair pvc joint and pipe leaks.