Steel Joists & Joist Girders
Open web-steel joists are an engineered, truss-like construction component used to support loads over short and long spans alike. Typically used in non-residential construction, steel joists and joist girders provide an economical system for supporting floors and roofs.
As the largest manufacturer of steel joist in North America, customers depend on Vulcraft for consistently high standards of quality and reliable performance. Vulcraft welders supplying joists to the Canadian market are certified to Canadian Welding Bureau (CWB) with plants carrying Divn 1 CWB certification.
All Vulcraft joists and joist girders are designed and manufactured in accordance with the latest editions of the National Building Code of Canada or Provincial building codes. Steel members are designed per the latest edition of CAN/CSA S-16. Steel used in the production of Vulcraft chord and web sections conform to CSA specifications.
At Vulcraft Open Web Steel Joists (OWSJ) are designed specifically for each situation, loading condition and building engineer’s requirements. Joist Girders are primary framing members. JG design typically assumes a simple span supporting open web steel joists, considering the loads from OWSJ to be concentrated loads, acting at the panel points of the joist girder. They could also be designed to be part of an ordinary steel moment frame (OMF). The specifying professional carries out required frame analysis and provides all load information and stiffness criteria along with column connections to Vulcraft when joist girders are meant to be part of an OMF. Joist girders are designed to allow for the efficient use of steel in longer spans for primary framing members.