How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What is the average life expectancy of PB (polybutylene) pipe?
Thursday, December 26, 2019
How long do PB (polybutylene) pipes last?
You can expect PB (polybutylene) pipe to last less than 30 years. It has not been manufactured since the mid-1990s, is no longer approved by the building codes, and failure as early 10 years led to class-action lawsuits against the manufacturers. If the water pipes in your home are PB, it also my be difficult to get or renew homeowners insurance because of its failure history. To learn more, go to our blog post What does polybutylene pipe look like? Why is it a problem?
Go to our blog post What is the average lifespan of the parts of a house? for rating of other house components. To understand the basis, potential use, and limitations of lifespan ratings, see our blog post How accurate are the average life expectancy ratings of home components? Are they actually useful?
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Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured homes, and the life expectancy rating of 195 home components. Available at amazon.com for $19.95.
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Here’s links to a collection of our other blog posts about PLUMBING PIPES:
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMae, and our own professional experience. Because of the numerous variables that can affect a lifespan, they should be used as rough guidelines only, and not relied upon as a warranty or guarantee of future performance.
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