Open Web Roof Truss Span Table

The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.

Open web roof truss span table.

Span tables below illustrate common combinations of the multiple variables available. Redbuilt open web trusses offer a variety of solutions for a broad range of challenges. The spans are based on simple span joists. Tcll 40 psf tcll 80 psf tcll 125 psf truss spacing truss spacing truss spacing.

Keep in mind that these tables are for estimations only. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. Floor truss span chart each individual floor truss design is unique based on multiple variables. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

Of bearings and is based on uniformly loaded joists. 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. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Geometry loading spacing bearing conditions etc.

Spacing of trusses are center to center in inches. Alpine truss designs are engineered to meet specific span configuration and load conditions. Whether your project is for retail or office space a school multi family apartments condos assisted living facilities hotels and motels warehouses you name it an open floor plan is often a primary requirement. You can use sbca s span charts to roughly determine truss sizes available.