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.

THE TRUEFIT FAMILY OF PVC DWV SOLVENT WELD FITTINGS range in size from 1½" to 16". These fabricated fittings are manufactured to the middle of the spec range, ensuring a snug, reliable fit. The ...

Plumbing should always be looked at in the VE process, if for no other reason than there are a lot of units of pipe in a project. There are lots of places in a DWV system where value can be captured, ...