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electrolytic corrosion
Posted by tomh on January 12th, 2004 10:32 AM
In reply to When Copper Pipe Is In Contact....... by Dodgeman on January 12th, 2004 09:07 AM [Go to top of thread]
The only way that plaster could corrode copper pipe is through electrolytic corrsion. This is often seen where metal is in contact with concrete or ground surfaces without protection (anode). Although the pH of plaster would be condusive to electrolytic transfer, the critical thing missing here is moisture, which conducts the current. In other words, once again, I agree with Dodgeman. It should not corrode. If the walls are not yet in place, you could insulate the pipes to isolate them from any contact with plaster, and that would solve the problem; otherwise, I don't think you will see any problems over the next 20 years. Was this post helpful? Yes: or No:
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