Open Web Steel Jists Roof

The steel joist institute publishes in its specifications a camber table that is a requirement for steel joist manufacturing.

Open web steel jists roof.

Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike. Our joists and girders are engineered and manufactured in accordance with the specifications of the steel joist institute. Open web steel joists and joist girders reduce costs and project timelines standard steel joists and joist girders are crucial tried and true components of your roofing and flooring building system. Open web steel joists are relatively light in weight fabricated in a shop setting and have a trussed web.

The main function of an owsj is to provide direct support for roof or floor deck and to transfer the load imposed on the deck to the structural frame i e. The k series joist web is a single bent bar running zig zag between top and bottom chords. In structural engineering the open web steel joist owsj is a lightweight steel truss consisting in the standard form of parallel chords and a triangulated web system proportioned to span between bearing points. Since then this design solution for architects and engineers has evolved to support large floor areas and large roof spaces of up to and over 100 feet wide.

When using open web steel joists pay attention to the joist camber next to adjacent framing and walls. Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs. Lh and dlh joists have heavier chords and web members for heavier loads and longer spans.