One major way the plumbing industry is advocating for the trades and, in turn, seeing positive results in the areas of job site safety, productivity, efficiency, and profitability is through the design and installation of polymer piping systems, such as PEX and PP-RCT.
PEX, or crosslinked polyethylene, began being used in North America in the mid-1980s. It started with radiant floor heating systems, then moved into plumbing and, eventually, to hydronic hot-water heating and chilled-water applications.PP-RCT, which is an acronym for polypropylene, random copolymer with crystallinity and temperature resistance, is the newest generation of high-performance polypropylene resins. Introduced in North America
