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Author:
radarman (OH)
how to fix a small pin hole in pipe with out replaceing it
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Author:
steve (CA)
What material is the pipe made of? What's the purpose of the pipe? What caused the pin hole?
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Author:
stuckinlodi (MO)
If this is a gas pipe the following does not apply-
If the pinhole is in copper pipe you can cut a short piece of copper pipe (such as a coupling) in half length-wise and solder it over the pinhole. Or you could try simply applying solder over the pinhole, make a little layer of solder over the hole and the surrounding area, it might hold. Drain the water out of the pipe before soldering on it.
If the pipe is pvc/cpvc you can do similar, cut a patch piece and cement it over the pinhole.
The alternative is to cut out a small section of the pipe with the pinhole and replace it with a new section of pipe.
If the pipe is copper you may have other pinholes developing. Some copper pipe installations experience multiple pinholes due to thinner copper being used and the chemistry of the water in some parts of the country.
Edited 6 times.
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Author:
PlumberLoren (CA)
If copper, cut the tube at the point of the pin hole and if possible pull it away so you can look into the pipe to see the wall thickness. It may be thinner at the pin hole area. If so replace the system, particularly if it is under a slab. These pin holes don't mend themselves only get worse. Check with your Homeowners Insurance policy. Some cover part of these copper repairs, usually not the repair itself but the damage done to locate the repair.
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Author:
morrisonplumbing (CA)
If you have one pin hole leak in your copper waterline, its possible more can come. - I suggest replacing a section of copper using propress or solder method.
Do it properly once, its not worth having a flood or mold damage.
Edited 2 times.
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