Cross-Linked Polyethylene has become one of the most familiar piping materials in the plumbing industry. Commonly known as PEX, the generally milky white plastic tubing has proven itself a perfectly acceptable pipe material for potable water, and let's not forget how well it works with radiant hydronic heating when installed under a flooring system.
This month we contacted a quintet of heavyweights in the world of PEX and asked them to explain the material's benefits and to detail how it came to be widely accepted for potable water applications.