Older galvanized water supply pipes can have issues. Many home buyers around New Orleans are not aware of this or have ever heard of galvanized pipes. These water pipes are always older and they have a lifespan. When I see a 100 year old home with these pipes, I can expect that they are at the end. I sometimes see newer ones that are around 60 or 70 years that are still serviceable. But the older ones typically have some rust on the outside of the pipe, especially at the connection points. However, the real issue is that these pipes rust from the inside out and choke off the water supply. So low water flow in the faucets inside the home is commonly a problem and at that point they need to be replaced.
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