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Copper Pipe Repair

Updated on November 29, 2010
Copper Pipe Repair
Copper Pipe Repair

Copper Pipe Repair Shopping List

  1. Pipe Cutter
  2. Sweat coupling 1 inch longer than repair section
  3. Wire Brush
  4. Plumber's Sandcloth
  5. Flux
  6. Solder
  7. Torch
  8. Two Rags
  9. Flame Protector (if needed)

Copper pipes are the best types of pipes for water in your home. However, if you have a leaking copper pipe you will want to repair it so that it doesn't cause any damage to your home or run up your water bill. This task is easily done with copper repair sleeves.

Step 1 - Water Shutoff

You will first have to shut off the main water line and drain the water out of the copper pipe you wish to repair. If you forget this step you will have a huge water damage problem because the water will come rushing out of the pipe full force until it gets shut off.

Cutting Copper Pipe
Cutting Copper Pipe

Step 2 - Pipe Cutting

The second step to copper pipe repair is removing the section of the pipe that is leaking. To do this you will need a pipe cutter. Use the pipe cutter to cut the copper pipe one inch past the end of the leak on each side. Lock the pipe cutter on the pipe by tightening the screw.  Then rotate the cutter around the pipe and tighten the screw again.  Continue this until the pipe is cut.  After you cut the copper pipe for repair use the pipe cutter's blade to remove any burs created by the cutting on both sides of the copper pipe.

Material Available on Amazon

Soldering Copper Pipe Repair
Soldering Copper Pipe Repair

Step 3 - Sweat Coupling

You will need a sweat coupling pipe from your local hardware store or online. they are sold to fix 1/2 inch or 3/4 inch pipe. Make sure you purchase a length that is at least 1 inch longer than the section of pipe you are replacing.  Use a wire brush to remove any corrosion from inside the new sweat coupling before using it.  Then use a plumber's sandcloth to clean the out side of the copper pipe and brush all four sides of the new and old pipes with flux in order for the solder to "stick" to the copper pipe repair.  Open the faucet connected to the copper pipe repair to prevent the pressure from building up and forcing water on to the pipe that will be soldered.  You should keep a rag in both ends of the copper pipe to keep it dry and remove it just before soldering to get the best possible solder.  Now slide the copper sweat coupling pipe over both ends of the copper pipe that is being repaired.  Make sure the sweat coupling pipe over laps the original copper pipe by at least 1/2 inch on both sides.  Using a torch, hold the flame on one side of the joint while applying solder to the other side of the same joint.  If you have any flammable materials close you will want to use a flame protector over those sections such as wood joists.  Once you completely fill all joints you are done.  You should now turn back on the main water supply and check you copper pipe repair work for leaks.  No leaks equals success, leaks means that you have not completely filled the joints with solder and need to turn off the supply, drain and re-solder.


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      Emergency Plumber 6 years ago


      I just came to your post and reading above thing it is very impressive me and it is very nice blog. Thanks a lot for sharing this.