From technical information to the latest industry developments, SJI is dedicated to providing engineers and architects with the latest information on steel joists trends, processes, breakthroughs and practices.

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Technical Digest 12 Evaluation and Modification of Open Web Steel Joists and Joist Girders

Building Retrofit

This Second Edition of Technical Digest 12 is another addition to the series of Steel Joist Institute publications designed to giv…

Technical Digest 11 Design of Lateral Load Resisting Frames Using Steel Joists and Joist Girders

Lateral Loads

Technical Digest 11 illustrates procedures for the structural engineer to properly analyze, design and specify open web steel jois…

Technical Digest 10 Design of Fire-Resistive Assemblies with Steel Joists


Complete listing of U.L. fire rated assemblies containing steel joists. Conveniently arranged by hourly rating, type of protection…

Technical Digest 9 Handling and Erection of Steel Joists and Joist Girders

Handling & Erection

This updated Technical Digest contains a thorough coverage of the proper handling and erection procedures to be employed in the fi…

Technical Digest 8 Welding of Open Web Steel Joists and Joist Girders


This Third Edition of Technical Digest 8 has been developed by an Ad-Hoc Group of the Steel Joist Institute’s Engineering Practi…

Technical Digest 7 Special Profile Steel Joists and Joist Girders

Special Profiles

Technical Digest 7, while only recently completed, has been in the works for years. Steel joist products with non-standard configu…

Technical Digest 6 Design of Steel Joist Roofs to Resist Uplift Loads

Wind & Uplift

The Steel Joist Institute has completely revised Technical Digest 6. The Technical Digest consist of 49 pages of up-to-date inform…

Technical Digest 5 Vibration of Steel Joist – Concrete Floors


The revised Technical Digest No. 5 will assist in determining the response of steel joist supported concrete slab framing systems …

Technical Digest 3 Structural Design of Steel Joist Roofs to Resist Ponding Loads


This Digest provides procedures for the selection of steel joists and Joist Girders that are required to meet the stability requir…

Complete Set of Technical Digests

Building Retrofit, Composite Joists, Fire, Handling & Erection, Lateral Loads, Ponding, Roofs, Special Profiles, Vibration, Welding, Wind & Uplift

Get the complete set of technical digests in hard copy or download format.

Design Tools

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.

Standards & Specs

Download the SJI standard specifications, load and weight tables, and the code of standard practice for K, LH, DLH and CJ-Series.


Earn PDHs with live and recorded webinars on floor systems, lateral loads, building retrofit, special profiles, bridging and more.