Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...

Rigid pipe and other construction applications account for more than half of PVC consumption in the U.S. and Canada. In the PS market, prices slipped down 3 cents per pound in May after tumbling 7 ...

By moving the pipe behind a wall I would have to put at least one elbow in it in order to meet the existing hole in the roof. The stack would move approximately ten inches. P.S.

The ABS to PVC connections with purple primer were as strong as the PVC to PVC connections with purple primer, if not stronger. It actually seemed to pull the surface of the ABS right off of the pipe.