Defect · Plumbing
Polybutylene Supply Piping
Polybutylene Supply Piping is a plumbing defect common in Twin Cities south-metro homes. Often uninsurable; a major buyer-negotiation item in south-metro homes.
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Polybutylene Supply Piping is a plumbing defect common in Twin Cities south-metro homes. Often uninsurable; a major buyer-negotiation item in south-metro homes.
Field Evidence
What we find.
Polybutylene Supply Piping as found on a south-metro inspection
As foundDocumented◂▸What causes polybutylene supply piping?
Gray plastic supply pipe (≈1978–95) that becomes brittle and fails at the fittings.
What we check
Visible piping runs, fitting type, prior failures or partial repipes.
Why it matters
Often uninsurable; a major buyer-negotiation item in south-metro homes.
Related: Plumbing Inspection · All defects · Knowledge center
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