If you specialize in residential applications, you’re most likely familiar with crosslinked polyethylene, or PEX — the flexible, durable, plastic piping system that’s become increasingly popular in new-home construction. But if you’re in the commercial space where PEX is still relatively new, you might not be aware of the product’s variations that can make or break your installation.
A little background first: PEX was invented in 1968, and by the 1970s, it was being used throughout Europe for water distribution systems. PEX was brought to North America in the mid-1980s for use in residential radiant floor heating applications. By the mid-1990s,
