Steel Roof Truss Span Table

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Steel roof truss span table.

Trusses from 8 to 80 clear spans. Lintels supporting roof loads only table 13 19 lintels supporting girder truss table 14 20 lintels supporting roof single storey floor loads table 15 21 roofs rectangular buildings rafters table 16 22 ridge intermediate beams table 17 23 ceiling joists table 18 24. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.

Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. The same thing is true for the bridge of the truss.

Pre welded clips on 2 centers for wood or steel secondary framing. The more complex the truss framework is the greater quantity of these joints will be required. These steel joints are needed to support the overall truss. 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.

Options to set the roof girders on wood post or concrete wall also available. With today s demanding architectural designs intricate roof lines and aggressive schedules light gauge steel trusses have become a popular product for architects engineers builders and developers. They have not been updated for the change in lumber values within the last decade. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run.

Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. Can design an engineered pre fabricated light gauge steel truss system specifically for your project incorporating. Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition load duration lumber type and truss configuration.