How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
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What type of water supply and drain (DWV) pipes were commonly used in older houses?
Monday, June 3, 2019
It depends on how old the “older house” is, since the types of pipe material used have gradually shifted over the decades. And, if the house has been repiped, the material will be one of the choices that was popular at the time of repiping. We have done a decade-by-decade breakdown of what you are likely to find. Just click on one of the links below.
Commonly Used Pipes By Decade
• What type water supply and drain (DWV) pipes were commonly used for 1950s residential plumbing?
• What type water supply and drain (DWV) pipes were commonly used for 1960s residential plumbing?
• What type water supply and drain (DWV) pipes were commonly used for 1970s residential plumbing?
• What type water supply and drain (DWV) pipes were commonly used for 1980s residential plumbing?
• What type water supply and drain (DWV) pipes were commonly used for 1990s residential plumbing?
• What type of water supply and drain (DWV) pipes were commonly used in the 2000s?
• What type of water supply and drain (DWV) pipes are commonly used today?
Also, for visual identifcation of the pipe types, see our blog post How can I tell what type of plumbing pipe I have?
And, for more information of the types of pipes that have become problematic over the years and may require replacement:
• What does polybutylene pipe look like? Why is it a problem?
• Why is old galvanized steel water pipe a problem for homebuyers?
• Why is Orangeburg sewer pipe a problem and how do I know if I have it?
Visit our PLUMBING PIPE page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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