Solvent welding, used on PVC and CPVC piping ... If it is not square, saw it off with a hack saw or a plastic pipe cutter. If you are cutting a lot of pipe, purchase a special plastic saw blade ...

Instead, it activates cold welding, a process in which the plastic of each PVC pipe is melted. When complete, the two pipes are essentially one — creating a durable and leak-proof pipe you can ...