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.

Watch as Charlotte Pipe associates test DWV plumbing systems and measure sound, with and without insulation products. The test shows cast iron soil pipe, solid wall PVC and foam core PVC. Please note, ...

This video demonstrates how to punch through concrete blocks using a gauntlet that adds weight and a reinforced impact point to the wearers fist. Parts: 10" Strap Hinge 1' x 3" Foam Core PVC 4" x 1/2" ...