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Understanding Rigid and Flexible Piping

Copper is the most commonly used material for residential water supply lines and much of the interior water lines. However, with the increasing price of copper, some plumbing contractors are switching to flexible plastic piping known as PVC (Polyvinyl chloride), ABS (Acrylonitrile butadiene styrene), PE (Polyethylene), or CPVC (Chlorinated polyvinyl chloride).

It’s a simple fact: metal pipes rupture when water inside the pipe freezes. Flexible plastic pipes do not. Copper pipes are more expensive but they are also much more durable over the long haul.

Flexible copper clad piping for interior applications makes sense for connecting to fixtures and appliances, such as sinks or whirlpools. But, in some cases, so does flexible plastic piping.

So, what’s it gonna be: rigid or flexible? That’s best answered by plumbing contractors. They know the benefits and pitfalls of both types of piping but, more importantly, they are very familiar with the code requirements that might just make that decision for you.


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