Long Span Roof Truss System

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 roof truss system.

Tubular steel members varying in gauge and diameter according to requirements. The standard roof truss spacing is 2. Red s double 1 1 2 x 2 3 edgewise. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.

Made in the usa. We can help you design pole barns to meet so many needs we supply a wide range of steel 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. The webbing is necessary for the strength of the truss and it is needed in a truss this size.

Trusses from 8 to 80 clear spans. A truss of this size and larger usually runs a higher figure of around 4 to 4 75 per foot of truss. While spans can extend over 100 feet the most common long span applications range between 60 and 100 feet. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses.

To achieve maximum indicated spans trusses may require six or more panels. 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. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. 4 75 to 5 75 lbs ft.

The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. This truss has a 30 span which is only 4 more than 26 but look how much more webbing there is. 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. Long span roofs are generally defined as those that exceed 12 m in span.

1 1 4 and 1 1 2 diam. This is the distance between trusses. 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. Trusses can be installed in buildings with wood concrete or masonry walls including those located in high seismic zones.