How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
What types of pipes are used in mobile homes?
Wednesday, January 29, 2020
Plastic pipes have been the common in mobile homes since the mid-1980s, including CPVC, PVC, PB, ABS and, more recently, PEX. These are all acronyms for the much longer names, which are the chemical compositions of the pipes, and you can read about it at What do the ABS, PVC, CPVC, PB, and PEX plumbing pipe names mean? Also, see How can I tell what type of plumbing pipe I have? for how to identify your piping. Previous to the mid-1980s, mobile homes had galvanized steel, copper, or cast iron piping.
PB pipe (shown above) was used extensively for mobile home water supply pipes from the early 1980s through the mid-1990s, but has since been removed from the building code as an approved plumbing material because of leakage problems. It is no longer manufactured. Also, homeowner’s insurance for a mobile home with PB piping may be difficult to find. To learn more, go to What does polybutylene pipe look like? Why is it a problem?
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