Large Span Roof Trusses

Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times.

Large span roof trusses.

Roof trusses are prefabricated triangulated wooden structures used to support the roof. Standard pitch 4 12 on 12 60 wide trusses and 3 12 pitch on 65 100 wide trusses. Are you about to install large span trusses. On larger spans this configuration often requires concealed steel connectors to resist tension and spreading along the arch itself.

Made in the usa. Scissors trusses are not recommended for shallow roof pitches below 8 12 pitch. All bolt together trusses built on jigs. Secondly roof trusses can span very large distances without the need for any center support.

Bt b tc 6 6 common truss configurations for the most widely designed roof shapes. The primary disadvantage of roof trusses is that the attic space is not easily usable for storage or potential living space. Long span roofs are generally defined as those that exceed 12 m in span. Click on the link below to read an article on the things you need to know as a designer or an installer of large span trusses.

The alternative is to build up the roof s frame with 2x8s and 2x10s. Sidewall height 8 through 30 designed for secondary framing to be on 2 centers. Contact your localalpine trussmanufacturerorofficeformoreinformation. Trusses are required by all building codes to be engineered.

Trusses are used for a reason. A scissors truss is a traditional truss style with many variations this design can be used in small or large spans. Need to design a large span truss. Trusses with an asterisk that exceed 14 in height may be shipped in two pieces.

To achieve maximum indicated spans trusses may require six or more panels. 4 to 10 on center spacing. 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. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses.

Up to 120 spans. Over the 140 foot span there was one bearing wall so the roof profile was split into sets of roof segments one using 60 foot clear span trusses and the other 80 foot clear span trusses. The trusses were built as a carrier truss and piggyback truss system as well with the depth of the carrier truss 14 feet high and the piggyback truss. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.

Mono used where the roof is required to. Open web truss design available in 10 through 100 wide clear spans. Trusses from 8 to 80 clear spans.