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.

BOSTON (CBS) - Union plumbers say it's not just the dust from cutting PVC pipe that makes installing it so dangerous. Joe King is a plumbing instructor for the union. He tells the I-Team, "It's the ...

The U.S. Department of Justice is investigating allegations of price fixing in the PVC pipe market. Otter Tail Corp., a publicly traded company that owns PVC pipe makers Northern Pipe Products Inc.

Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...