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