Setting Standards.
Advancing Designs.
Featured Resources
FREE Webinar: Delegated Design – Friendly Collaboration
Join SJI for our free live webinar on Wednesday, May 21, 1:00-2:30 p.m. ET.
James M. Fisher Scholarship
The Steel Joist Institute is excited to announce the James M. Fisher Scholarship, awarding two $2,500 scholarships for the 2025-2026 academic year. This scholarship is designed to support civil and architectural students in achieving their career goals.
NEW | Floor Bay Comparison Tool – With Vibration
SJI’s design tool helps the SER compare weights, costs, and floor depths for selected bay sizes and framing setups. It offers composite and non-composite designs for open web steel joists, wide flange beams, and girders, though only non-composite joist girders are currently available.
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.