PEX Supply Pipe: Everything You Need to Know
Which is Better - PEX or Copper?
PEX (cross-linked polyethylene) has several advantages over copper:
- PEX is cheaper than copper. Half-inch PEX tubing costs about a third the price of copper. Some of the savings will be offset by the need for a special tool to install the fittings, but if you're doing a medium to large plumbing job, you'll usually save by using a PEX supply instead of copper.
- PEX fittings are faster to install than copper. If you use a manifold and 'home-run' system, it's like running a garden hose to each fixture — super fast and easy. But even if you install PEX fittings in a conventional main line and branch system, the connections are quicker to make than soldering copper.
- A PEX supply won't corrode like copper. If you live in an area with acidic water, copper can corrode over time. A PEX supply is unaffected by acidic water and is therefore a better choice in these areas.
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