The flexible, polymer pipe known as PEX (cross-linked polyethylene) has gained popularity among home builders in recent years as a cost competitive alternative to traditional rigid piping materials. While PEX water supply systems can offer a significant savings on labor and materials, some hurdles to its widespread use still exist.
Some building professionals have reported challenges in adopting PEX due to the lack of a comprehensive field resource to help them properly design and install the systems. To meet this need, the NAHB Research Center has developed the “Design Guide for Residential PEX Water Supply Plumbing Systems,” a new resource to help increase the adoption and proper use of PEX water supply plumbing systems.
Released at the International Builders' Show in February, the guide provides design concepts and installation guidelines that builders, designers, and contractors need to properly install PEX systems in residential buildings. Homeowners working with a custom builder or serving as a general contractor on a home construction project may also find the guide useful.
Easy-to-follow instructions on installation and joining methods, as well as guidance on code acceptance make the guide a reliable, must-have reference for builders. The guide is also intended as a resource for code inspectors and homeowners wanting to learn more about the performance characteristics and benefits of the technology.
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