This video from Charlotte Pipe shows a sound test of various DWV plumbing systems. Materials tested are cast iron soil pipe, solid wall PVC and foam core PVC, with and without insulation products.

NEW: A Uni-Bell PVC Pipe Association official has a rebuttal to the Beyond Plastics report covered in this story. Read the detailed update here. Bennington, Vt.-based Beyond Plastics, a nonprofit ...

Aging infrastructure for water pipes in the United States has long been a problem, as we saw a few years ago with the lead pipe fiasco in Flint, MI. It’s not just a pipe problem — these aging pipes ...