Steel Joist Girders

Steel Joist Girders are open web steel trusses used as primary framing members. They are designed as simple spans supporting equally spaced concentrated loads for floor or roof systems. These concentrated loads are considered to act at the panel points of the Joist Girders. 

Joist Girders have been designed to allow for a growing need for deeper/longer spans with primary structural members (depths of 20" to 120" and span lengths to 120 feet), coupled with the need for more efficient steel usage.  These members have been standardized in the Weight Tables (see Specification Guide under Joist Girders) for depths from 20 inches to 72 inches, and spans to 60 feet.

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