Long Span Roof Truss System

Trusses can be installed in buildings with wood concrete or masonry walls including those located in high seismic zones.

Long span roof truss system.

The webbing is necessary for the strength of the truss and it is needed in a truss this size. 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 steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. A slightly heavier duty truss for mid range spans.

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. 4 75 to 5 75 lbs ft. To achieve maximum indicated spans trusses may require six or more panels. The standard roof truss spacing is 2.

1 1 4 and 1 1 2 diam. Red s double 1 1 2 x 2 3 edgewise. A truss of this size and larger usually runs a higher figure of around 4 to 4 75 per foot of truss. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times.

This is the distance between trusses. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. Trusses from 8 to 80 clear spans. Long span roofs are generally defined as those that exceed 12 m in span.

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

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Pitched ridge depth 84. Made in the usa. This truss has a 30 span which is only 4 more than 26 but look how much more webbing there is.