The Plastics Pipe Institute Inc. (PPI) recently published its new PEX Plumbing Distribution Systems Design and Installation Guide, the third edition of a key industry handbook first published 20 years ago.It provides information and resources necessary to design and install PEX hot- and cold-water plumbing distribution systems in residential, multi-family, and commercial buildings. A joint industry publication from PPI, the Plastic Pipe and Fittings Association (PPFA) plus Home Innovation Research Labs (HIRL) with support and input from IAPMO and ICC, it is available on PPI’s Building & Construction Division website as a free download. Printed copies will be available for sale during
PEX Design and Installation Guide Gets Long Overdue Update
May 13, 2026
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