Open Web Steel Joist Design

We offer global market leading software for the design of an Open Web Steel Joist. Fabricators, engineers, and manufacturers prefer GMatrix-7 because of its Open Web Steel Joists design and detailing in accordance with Steel Joist Institute.

open web steel joist design and detailing

Our Products


GMatrix-7 is a 3D / 7D structural analysis and design software that has been developed to be a complete package that can perform steel structures composed simultaneously / individually of Hot-Rolled, Tapered Built-Ups, Cranes, and Cold-Formed sections, covering a wide range from Open Web Steel Joists, Heavy Steel, PEB to LGS buildings.

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