You can use sbca s span charts to roughly determine truss sizes available.
Steel roof truss span table.
Floor truss span chart each individual floor truss design is unique based on multiple variables.
Roof floor truss manual 7 31 08 10 43 am page 11.
Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
This is based upon the span of the rafter horizontal span not total rafter length live and dead loads.
Span calculator for wood joists and rafters also available for the android os.
A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20.
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.
Metal plate connected wood trusses hib 91 by permission of truss plate institute inc.
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.
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.
Pre welded clips on 2 centers for wood or steel secondary framing.
The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses.
Keep in mind that these tables are for estimations only.
To size joists and rafters use the maximum span tables for southern yellow pine.
More roof calculators roof truss calculator how to cut rafters.
Geometry loading spacing bearing conditions etc.
Also available for the android os.
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.
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.
This rafter span calculator is species specific for douglas fir hemlock etc.
Intermediate bearing simple span trusses header beam pocket floor truss supporting header beam.
