The new 3-inch size rounds out the current 4-inch to 6-inch product line. It is for use where smaller or fewer underground cables are installed. Available in straight, 20-foot lengths, Certa-Com is ...

Use 4-in.-diameter ‘Schedule 40’ PVC, which is available from home centers. Here’s how to do it: Lift the front edge of the stone with a pry bar and slip two pipes underneath.

3 1/2-inch-diameter PVC pipe, qty. 1. 3 1/2-inch-diameter PVC test plug, qty. 1. 3 1/2-inch-diameter PVC end cap, qty. 1. Container each, PVC primer and cement, qty. 1. Can spray paint, qty. 1. 2 ...