Steel Roof Girders

Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.

Steel roof girders.

Joists are custom made structural steel components used to support the floors or roof of a building. Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike. Their lengths range from 60 to 120 feet in the cold mill to 126 feet in the hot mill and 128 feet in the melt shop. Small steel girders are rolled into shape.

Introduction the structural steel roof framing described in this publication and commonly called the cantilever girder or gerber system has been used successfully for many years throughout north america. Larger girders 1 m 3 feet deep or more are made as plate girders welded or bolted together from separate pieces of steel plate. K lh and dlh series steel joists joist girders and lh and dlh series joists available as single or double pitched single piece steel joists can be produced up to 90 feet long joist girders. Depths range from 4 feet to 14 feet 8 inches.

The economy of the gerber system is obtained from simple repetitive framing in stabilized relatively uniformly loaded structures. All vulcraft joists and joist girders are designed and manufactured in accordance to the exacting specifications of the steel joist institute. A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20. A girt is a vertically aligned girder placed to resist sheer loads.

The warren type girder replaces the solid web with an open latticework truss between the flanges. The joists and roof deck are relatively standard says new millennium engineering manager brady broom but the girders are a different story. The use of a system of steel joists and steel deck is a solution of choice resulting in significant savings. Pre welded clips on 2 centers for wood or steel secondary framing.

20 inch to 120 inch depths. 20 foot to 120 foot spans. Our certified welders can build heavy duty trusses and girders per your specifications including welding grinding and finishing. Options to set the roof girders on wood post or concrete wall also available.