Long Span Roof Truss System

Tubular steel members varying in gauge and diameter according to requirements.

Long span roof truss system.

The webbing is necessary for the strength of the truss and it is needed in a truss this size. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. To achieve maximum indicated spans trusses may require six or more panels. Trusses can be installed in buildings with wood concrete or masonry walls including those located in high seismic zones.

Made in the usa. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. Red s double 1 1 2 x 2 3 edgewise.

Trusses from 8 to 80 clear spans. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. A slightly heavier duty truss for mid range spans. 4 75 to 5 75 lbs ft.

This truss has a 30 span which is only 4 more than 26 but look how much more webbing there is. A truss of this size and larger usually runs a higher figure of around 4 to 4 75 per foot of truss. This is the distance between trusses. 1 1 4 and 1 1 2 diam.

Trusses must be designed for any special loading such as concentrated loads from hanging partitions or air conditioning units and snow loads caused by driftingnearparapetorslide offfromhigherroofs. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. 05425 cold formed steel trusses roof truss spans every trussteel roof truss is a custom design based upon the unique load span bearing use and code criteria of a particular project. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses.

Pitched ridge depth 84. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. They are commonly found in a wide range of building types such as factories warehouses agricultural buildings hangars large shops public halls gymnasiums and arenas. Long span roofs are generally defined as those that exceed 12 m in span.