Fixing Copper Pipe Leaks At The Joint

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Are you dealing with a copper pipe leak at the joint? It can be a major hassle, and the longer it goes on, the worse the damage can be. There are a few different options you can use to fix your leak, but it’s important to know what you’re doing before you start. This article will provide an overview of the steps you can take to repair a leak at a copper pipe joint.

Tools Needed

To begin, you’ll need a few tools to help you with the repair. First, you’ll need a pair of slip-joint pliers, which you can use to grip the pipes to loosen or tighten the joint. Additionally, you’ll need a hacksaw or a tube cutter to cut away any pieces of the pipe that may be damaged. Finally, you’ll need a pipe wrench to hold the pipe in place while you’re working on it.

Step One: Clean the Area

The first step is to clean the area around the leak. You’ll want to make sure all the dirt and debris is removed from the area. This will give you a better view of the leak and make it easier to work with. You can use a wire brush to scrape away any dirt or corrosion that may have built up around the joint.

Step Two: Cut Away Damaged Pipe

Once the area is clean, you can start to work on the pipe itself. If the leak is due to a crack or break in the pipe, you’ll need to cut away any damaged pieces. Using your hacksaw or tube cutter, cut away any pieces of the pipe that are cracked, broken, or otherwise damaged. Make sure to leave enough of the pipe intact so that you can still make a secure connection when you go to replace it.

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Step Three: Replace the Pipe

Once the damaged pieces have been removed, you can start to replace the pipe. It’s important to make sure the new pipe is properly fitted and secured. You may need to use a pipe wrench to help you secure the joint. Make sure the connection is tight and secure before you move on to the next step.

Step Four: Secure the Joint

Once the new pipe is in place, you can start to secure the joint. This can be done by wrapping a layer of Teflon tape around the joint, followed by a layer of plumber’s putty. Once the putty is in place, use your slip-joint pliers to tighten the joint. Make sure the joint is secure before you move on.

Step Five: Test the Connection

The last step is to test the connection to make sure the leak has been fixed. You can do this by turning the water on and checking for any leaks. If you don’t see any leaks, then the repair is successful and you can move on to the next project.


Fixing a copper pipe leak at the joint is a relatively simple task, but it’s important to know what you’re doing before you start. Make sure you have the right tools and materials before you begin. Follow the steps outlined in this article and you should have no trouble fixing your copper pipe and preventing future leaks.

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