The Steel Joist Institute provides free design tools to assist in the design of steel joists and Joist Girders, including the steel joist reinforcement, roof and floor bay analysis, moment connections and more.
SJI’s technical digests and catalogs provide key topics for designing and building with steel joists and Joist Girders.
SJI Webinar Series
The Steel Joist Institute offers live and recorded webinars with topics ranging from floor systems, special profiles, roof, to lateral loads and building retrofit . View the webinars and earn your PDHs.
Need your PDH? Take a 10 question online quiz for the opportunity to receive 1.5 PDHs.
Standards & Specs
Download the SJI standard specifications, load and weight tables, and the code of standard practice for K, LH, DLH and CJ-Series.
Frequently Asked Questions
Answers to your frequently asked question.
Journal & Magazine Articles
View articles from SJI that are featured in various industry publications. Topics include floor systems, winds, seismic, non-uniform loads, composite steel joists and more.