Hi. I have already fixed two pinhole leaks in my copper pipe, a year ago. I now have another one. Before I dig up the slab and my wooden floors again, is there another option? I was reading about epoxy lining but have yet to see anything on cost. Last year my plumber said we should sell the house after getting it fixed because it would happen again.
What are the causes of these pinhole leaks? I’ve read about chlorine being the culprit. I am suspicioius about what the current the gas company is putting out there to keep their pipes from rusting. I wonder if the copper in my slab is working as their cathode?
Are there any suggestions other than digging up my slab to fix the problem, and is there anything I can do to prevent more pin hole leaks? Thank you!
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