Kitec Plumbing
in Toronto
If you're buying a condo or townhouse built between 1995 and 2007, this is the one issue you can't afford to overlook.
What Is Kitec Plumbing?
Kitec is a type of flexible plastic piping that was widely installed in Ontario condos, townhouses, and houses from roughly 1995 to 2007. Marketed as a cheaper and faster alternative to copper, it was embraced by developers across the GTA — and it ended up in tens of thousands of homes.
The system uses cross-linked polyethylene (PEX) tubing — typically blue for cold water and orange for hot water — with a thin aluminum layer sandwiched between the inner and outer walls, connected by brass compression fittings.
It was sold under several brand names. If you see any of the following stamped on fittings or pipes, you're looking at Kitec:
Why Is It a Problem?
The core issue is the brass fittings. They contain high levels of zinc, which corrodes over time through a process called dezincification. As the fittings break down, two serious problems can develop:
How to Spot It
Since plumbing mostly runs behind walls, the best places to look are areas where pipes are exposed. Here's where to check during any showing or inspection:
Replacement Costs
Replacing Kitec with copper piping is the standard fix — and the cost isn't trivial. Here's what you can expect to pay in Toronto:
The frustrating reality: the cost almost always falls on the individual unit owner — whether you arrange and pay for the work yourself, or the condo corporation coordinates a building-wide replacement and sends you the bill. Either way, it's your expense.
What to Do
Whether you're buying or already own a unit with Kitec, here's how to protect yourself:
If You're Buying
If You Already Own
Have Questions About a Specific Building?
We know which buildings have Kitec, which have replaced it, and how to protect you when making an offer. Let's talk.
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