Open Web Roof Truss Span Table

Tcll 40 psf tcll 80 psf tcll 125 psf truss spacing truss spacing truss spacing.

Open web roof truss span table.

Keep in mind that these tables are for estimations only. Redbuilt open web trusses offer a variety of solutions for a broad range of challenges. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Maximum deflection is limited by l 360 or l 480 under live load.

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. Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. Spacing of trusses are center to center in inches. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers.

The maximum span is measured o c. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. Span tables below illustrate common combinations of the multiple variables available. The spans are based on simple span joists.

Floor truss span chart each individual floor truss design is unique based on multiple variables. Alpine truss designs are engineered to meet specific span configuration and load conditions. Of bearings and is based on uniformly loaded joists. Geometry loading spacing bearing conditions etc.