Steel Roof Truss Span Tables

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.

Steel roof truss span tables.

You can use sbca s span charts to roughly determine truss sizes available. 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. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black.

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. 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. The more complex the truss framework is the greater quantity of these joints will be required.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. The load span tables shown below demonstrate only a tiny subset of the possible combinations available with trussteel cfs roof trusses. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.

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. 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. Tcll 40 psf tcll 80 psf tcll 125 psf truss spacing truss spacing truss spacing 12 16 19 2 24 12 16. Keep in mind that these tables are for estimations only.

Intermediate bearing simple span trusses header beam pocket floor truss supporting header beam. The same thing is true for the bridge of the truss. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch.

Geometry loading spacing bearing conditions etc. 12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses. Span tables below illustrate common combinations of the multiple variables available.