Long Span Roof Truss System

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.

Long span roof truss system.

To achieve maximum indicated spans trusses may require six or more panels. A slightly heavier duty truss for mid range spans. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses. 4 75 to 5 75 lbs ft.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. The standard roof truss spacing is 2. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. While spans can extend over 100 feet the most common long span applications range between 60 and 100 feet.

This truss has a 30 span which is only 4 more than 26 but look how much more webbing there is. Long span roofs are generally defined as those that exceed 12 m in span. Tubular steel members varying in gauge and diameter according to requirements. Red s double 1 1 2 x 2 3 edgewise.

When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. 1 1 4 and 1 1 2 diam. This is the distance between trusses. 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 from 8 to 80 clear spans. The webbing is necessary for the strength of the truss and it is needed in a truss this size. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. Pitched ridge depth 84.

A truss of this size and larger usually runs a higher figure of around 4 to 4 75 per foot of truss. 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. Made in the usa. Trusses can be installed in buildings with wood concrete or masonry walls including those located in high seismic zones.