Types of PVC Conduit. The main designations of PVC electrical conduit are Schedule 40 and Schedule 80. (There’s also PVC plumbing pipe, but that’s an entirely different thing.)Here are the ...

The Kozy Kollar is a heavy-duty rubber vent that allows a PVC pipe to go up through it. It will work on a 0 to 12-pitch roof, and it takes about an hour to install from start to finish.