Steel Joist Institute

About the Author

The Steel Joist Institute (SJI) is a premier trade association dedicated to advancing the design, manufacture, and installation of open web steel joists and joist girders, serving as the authoritative voice for the structural steel industry since its founding in 1928. Comprising leading manufacturers and allied partners, SJI develops and disseminates essential standards, guidelines, and educational resources to ensure safety, efficiency, and innovation in construction projects worldwide. Through rigorous research and collaboration with engineers, architects, and builders, the Institute promotes best practices that enhance structural integrity and sustainability. Its publications, including the acclaimed Technical Digest series, provide invaluable technical insights for professionals tackling complex challenges in steel framing and erection.