House age X-ray1990s · Michigan
Built in 1991: 2 things worth checking before you offer.
Worth checking for this era. This is not a finding about a specific house. A full listing check is a separate step.
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1.Polybutylene pipes
Era checkThe Cox v. Shell settlement class covered polybutylene supply plumbing installed between January 1, 1978 and July 31, 1995. Worth checking for this era.
How to spot it. Gray flexible plastic supply pipe, sometimes stamped PB2110, at the water heater or under a sink. White, red, or blue pipe stamped PEX is a different material.
Who checks it. Plumber or home inspector
Consumer Plumbing Recovery Center: Cox v. Shell Oil Company polybutylene settlement notice
2.Radon
Regional, depends on locationEPA says every home should be tested, and that the zone map is not a result for one house. Worth checking for this era.
How to spot it. A PVC pipe and an exterior fan can mean a system is already installed. Ask for the before-and-after test numbers.
Who checks it. Radon measurement professional
What is worth checking for a house built in 1991?
Built in 1991: 2 things worth checking before you offer. On this checklist: Polybutylene pipes, Radon. Each line is worth checking for this era.
Does a house built in 1991 have these problems?
No. The list is what is worth checking for this era. It is not a finding about a specific address. A full listing analysis is a separate step.