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Poly-B plumbing: what Ottawa homeowners should know

Grey poly-B supply lines in 1985-97 Ottawa homes, why insurers worry about them, and replacing them during a renovation.

Homes built roughly between 1985 and 1997 — large parts of Kanata, Orléans, Barrhaven and South Keys — often have grey poly-B (polybutylene) supply lines. They are increasingly a concern for Canadian home insurers.

The concern

Poly-B has a history of failures at fittings and connections, and some insurers now decline or surcharge homes that still have it. A failure can mean significant water damage.

Replace it during your reno

If you are already renovating a bathroom, kitchen or basement, it is the ideal time to replace poly-B with modern PEX or copper — minimizing duplicate drywall work and getting it done once.

How we help

We flag poly-B at quote time, scope the replacement honestly (what actually needs doing versus what would be overkill), and complete it as part of the renovation so you only pay for finishing once.

Book a free planning session

Let's strategize before building

Book your free Ottawa planning session. We'll define scope and budget and map the build before any work begins.

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