The language, which goes beyond the existing installation standards outlined in NFPA 780 and UL 96A, was developed by SPRI (the Single Ply Roofing Industry), which worked closely with the National Fire Protection Association members, the National Fireproofing Contractors Association, the Lightening Protection Institute, the National Electrical Manufacturers Association, Underwriters Laboratories, the National Roofing Contractors Association and other stakeholders to build consensus to get the new language approved and adopted for the code in 2024.
The new language, which will be added as new sub-sections in Section 1511 ‘Rooftop Structures,' stipulates that LPS installations must be completed in accordance with the roofing system or edge metal manufacturer’s instructions, or specifications from a qualified design professional. Where LPS components are secured to, or penetrate the roof, they must be properly flashed.
“This is a significant update to the building code,” said Amanda Hickman, president of The Hickman Group, and SPRI’s code consultant. “The current code does not address the impact that LPS attachments have on the roof. Any attachments to the roofing assembly or edge metal system can alter the wind load and performance of these tested components. It is therefore important that the original equipment manufacturer or a qualified design professional provide direction on the attachment methods to be used.”
The new language reads as follows:
The 2024 edition of the will be published towards the end of 2023. Once published, the new language for securing LPS on commercial buildings may be adopted by states and jurisdictions across the U.S., and around the world.
About SPRI
SPRI is the leading authority on single-ply roofing, dealing exclusively with thermoset, thermoplastic, and modified bitumen roofing systems, and materials. Through an open forum fordiscussion, education and innovation, our dedicated commercial roofing industry experts provide ongoing resources and expertise to contractors, architects, and building owners. For additional information, please visit www.SPRI.org, send email to info@spri.org, or call 781.647.7026.
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