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How Long Does Cpvc Pipe Last?

Maya Lin-Takahashi • • 6 min read
How Long Does Cpvc Pipe Last?
According to the experts at the International Association of Certified Home Inspectors (InterNACHI), CPVC pipes are expected to last for 50 to 75 years under optimal conditions. Unfortunately, many area homeowners are seeing cracks in their CPVC installations after as little as 14 years.

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Just so, what is the life expectancy of CPVC?

50 to 70 years

One may also ask, should I replace my CPVC pipes? According to CPVC pipe manufacturer Lubrizol, CPVC will expand about an inch for every 50 feet of length when subjected to a 50-degree temperature increase. “CPVC, if properly installed, is good and does not need to be replaced,” he says. “I repiped my own house with CPVC over 10 years ago — no problems.”

Also asked, what causes CPVC to crack?

A leaking heat exchanger allows for refrigerant to leak into, and contaminate, the water in the piping system. Even a small leak is disastrous for CPVC piping as it will cause the pipes to turn brittle and fail. Once the water has been contaminated, the entire system must be replaced.

Is CPVC pipe good?

Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. In fact, CPVC has been successfully used in homes for more than 35 years. Be aware that many home copper or steel water pipe systems are used as grounding for electrical wiring.

Related Question Answers

Why do CPVC pipes fail?

When CPVC pipes are first manufactured they are highly ductile. Exposure of the pipes to certain chemicals cause the CPVC to soften. When this happens, the molecules are no longer locked in place and they start to disentangle from each other causing the pipes to become brittle.

Does CPVC pipe get brittle?

As CPVC ages, it becomes increasingly brittle and can crack or shatter with the slightest impact. Breakdown and deterioration of CPVC pipes can be accelerated by hot outdoor temperatures and by chlorinated water delivery from public utilities.
Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.