"This guide is the most concise and authoritative available for the installation of PVC gasket-joint pressure and non-pressure pipes and fittings. Written and sponsored by the Uni-Bell PVC Pipe Association, it contains up-to-date information and comes complete with practical associated tables and figures that will help users to be more effective and efficient at installing PVC piping systems. This work provides preferred methods of installation based on field experience, published reports, and other industry sources. The guide's unique, easy-to-use reversible-book format provides two valuable guides in one--for working on water pipes or sewer pipes--making it easy for readers to quickly access the specific information they are seeking, be it on the job, in training, or studying for certification."--Amazon.com