Setting Standards.
Advancing Designs.
Featured Resources
Webinar: Part 2: Evaluation and Modification of Open Web Steel Joists and Joist Girders
Join SJI for our live webinar on Wednesday, November 19, 1:00-2:30 p.m. ET.
UPDATED | Technical Digest 9 Handling and Erection of Steel Joists and Joist Girders
The latest Technical Digest 9 includes a new chapter on erection engineering, expansions on loading and shipping joists as well as details on joist products, including special configuration joists and more.
2025 Standards Review
The Steel Joist Institute has initiated revisions of SJI 100-2020 and SJI 200-2015, proceeding through the ANSI process to complete these revisions.
Identify Existing Joists
Need help identifying existing joists in a building structure? SJI will review our extensive files to find joists similar to those you have located in an older building..
Featured Projects
Seaport Office Building
Commercial, Office
The Class A Office building in Boston, MA was completed in 2018 and features a total of 400,000 sq ft. The building is a Green Building LEED Certified Platinum featuring 17 floors with retail space on the 1st and 2nd floors.
Child Care Center
Commercial
The 50,000sf ESPN Child Care Center achieves a minimum LEED Silver Certification with strategies including use of local, natural materials, appropriate building orientation and lots of daylighting and views.
Steel & Stainless Steel Process Facility
Industrial, Manufacturing Buildings
One of the most interesting facts of the project was the sheer size. Steel tonnage totals are as follows: Roof Joists = 1,227 tons; joist girders = 2,668 tons; wall joist = 1,045 tons; and joist bridging = 540 tons.