If you have a leaking pipe under your taps kitchen, you can easily repair it yourself using the right materials. If the leak is caused by a non-iron pipe, you can use a compound made of epoxy or one of the many other products that seal leaks. To repair a non-iron pipe, you can apply epoxy directly on the leak. Applying a thin layer of epoxy on the leak will help to form a temporary seal over the leak.
 

 
Remove the p-trap
 
The leak can originate at the supply line, trap, stem, basket strainer, or valve seat. The source of the leak may be hard to trace and requires disassembling parts of the pipes. If the leak is originating at the sink's p-trap, call a plumbing professional to assist you with the repairs. To remove the p-trap, you must be familiar with the tools and methods required for removing it.
 
Call a plumber
 
To repair a leaking pipe under kitchen sink, make sure you shut off the water supply valve first. Doing so will prevent any further water damage. Nevertheless, you should call a plumber for further help. If you think you can fix the leak by yourself, do not panic. The problem might be something as simple as corrosion. If you can't identify the root cause, you can call a plumber.
 

 
Use plumber's putty
 
To fix a leaking pipe under kitchen sink, try using plumber's putty. To do this, simply unscrew the sink drain. Be sure to have a cloth handy to clean your hands. Replace the old putty and add a fresh layer. If you cannot find plumber's putty, try using silicone caulk instead. If the leak still persists, call a plumber.
 
A leaking pipe under the kitchen sink may be due to a cracked pipe or loose fitting. Turning off the water will give you enough time and space to fix the issue. To find the source, you should use a plumber's wrench to tighten loose components or seal the broken area with plumber's putty. Before starting, you should place a bucket under the broken component to catch any remaining water. If you are unable to identify the problem, you should visit a hardware store to purchase a new part.
 

 
Check the sink cabinet
 
Before you attempt to repair a leaking pipe under your kitchen sink, you need to determine the exact location of the leak. The repair process is different for a sink faucet leak than a drain pipe leak. To determine the exact location of the leak, check the sink cabinet and floor nearby. If you have water on the floor near the sink, check for signs of water or a small pool of standing water.
 
The P-Trap is a curved section of pipe underneath the sink. It is used to trap foul-smelling liquids from entering the drain. When this clogs up, it prevents proper drainage and can eventually cause a leak. Leaking P-Traps can be caused by a variety of different issues, including corrosion, improper installation, and fit problems. To repair a leaky P-Trap, follow the steps below: