What Are PEX Pipes?


Quick Answer

PEX pipes are a type of plastic plumbing tube used as a replacement for copper tubes. PEX pipes are considered more durable and easier to install. Furthermore, PEX pipes cost just a third of copper pipes per foot.

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Full Answer

PEX pipes are made of a type of plastic known as cross-linked polyethylene, which was specifically designed for durability. Connecting a system of PEX pipes is similar to connecting a garden hose to a spigot, which costs less and requires less skill than soldering copper pipes together. PEX pipes are similar to PVC pipes, though PEX pipes are usually more flexible and less likely to burst when frozen.

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