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ANSI's role in the roofing industry

The American National Standards Institute (ANSI) is a Washington, D.C.-based, private, nonprofit organization that serves as administrator and coordinator of a private-sector national standards system referred to as American National Standards (ANS). ANSI membership comprises nearly 1,000 companies, organizations, government agencies and institutions; NRCA is an ANSI member. ANSI standards directly affect businesses in nearly every industry.

ANSI facilitates the development of ANS by accrediting the procedures of standards-developing organizations. Accreditation by ANSI signifies the procedures used by the standards body meet ANSI's essential requirements for openness, balance, consensus and due process.

Examples of roofing-related standards developed using the ANS process are:
  • ANSI/ASHRAE 90.1, "Energy Standard for Buildings Except Low-Rise Residential Buildings"
  • ANSI/ASHRAE 90.2, "Energy-Efficient Design of Low-Rise Residential Buildings"
  • ANSI/SPRI ES-1, "Wind Design Standard for Edge Systems Used With Low Slope Roofing Systems"
  • ANSI/SPRI RP-4, "Wind Design Standard for Ballasted Single-ply Roofing Systems"
  • ANSI/SPRI WD-1, "Wind Design Standard Practice for Roofing Assemblies"
  • ANSI/UL 1703, "Flat-Plate Photovoltaic Modules and Panels"
  • ANSI/UL 2390, "Test Method for Wind-Resistant Asphalt Shingles with Sealed Tabs"

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