PEX piping (shorthand for cross-linked polyethylene) costs less than half the price of copper and installs much faster. And since it’s flexible, PEX makes remodeling jobs easier. PEX has a strong ...

The report covers the 50-year history of PEX, from its European origins to its widespread use in North American plumbing and heating systems It highlights the evolution of ASTM standards F876 and F877 ...