Household plumbing systems use PEX for pipes to supply water and carry away sewage. The term PEX stands for "crosslinked polyethylene." PEX piping is manufactured by melting high-density polyethylene ...

Andrew Whelton, an assistant professor in Purdue's Lyles School of Civil Engineering and Division of Environmental and Ecological Engineering, is leading research into the effects plastic pipes have ...

Q: We’re getting ready to take on our home’s plumbing. Should we stick with copper or go a different route? A: When you think of your in-home plumbing, rusty copper pipes in dark crawl spaces usually ...

SACRAMENTO, CALIF. — The California Building Standards Commission has approved the use of PEX plumbing for domestic water systems, finally following the lead of every other state and many of its own ...