Why your home's aging polybutylene pipes need a professional upgrade
In short: Polybutylene piping is notorious for causing issues in older homes. Plumbing expert Richard Trethewey demonstrates how to systematically replace these problematic lines with modern PEX, ensuring a reliable water system without unnecessary destruction.
The process involves identifying pipe locations and creating strategic access holes to remove the old polybutylene while minimizing disruption to the living space. Once the house's water is shut off and drained, the old pipes are removed and replaced with PEX piping using specialized fittings and an expansion tool.
This project highlights a common home improvement challenge: upgrading infrastructure that is hidden behind walls. By following a structured sequence—from isolation to installation—homeowners can transition to more conventional, reliable materials.
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Sources
- Summary by Intellect · source: How to Replace Polybutylene Piping with PEX | Ask This Old House
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