Open Web Wood Floor Truss Span Chart

Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00.

Open web wood floor truss span chart.

Midwest manufacturing truss plant must quote floor truss girders on a case by case basis. In stock at plant and ready for immediate pickup. Span chart for l 480 depth on. And parallel to floor truss span strongback lateral supports 24 max.

Of bearings and is based on uniformly loaded joists. Roof floor truss manual 7 31 08 10 43 am page 12. Tcdl 10 psf and bcdl 5 psf 3. 72 5 0 mi ni m u m girder floor truss floor truss jacks a a bearing wall girder floor truss floor truss jacks bearing wall cantilevered floor truss two 2x rim joists 24 max.

Find span carts for open joist products. Engineered wood products ewp span and size charts for bci joists. Maximum deflection is limited by l 360 or l 480 under live load. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

Top and bottom chords braced by structural sheathing 6. Please call 1 715 876 3204 or 1 800 826 7126 for more information. Open joist is a revolutionary open web all wood floor truss engineered with superior strength and load carrying capabilities. The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work.

Save design time build time and money with trusses built in long production runs. Tcll top chord floor live load 2. The maximum span is measured o c. Plan on the thickness of the floor being roughly equal in inches to the span in feet.

Dead load deflection is limited to l 360 and total load deflection is limited to l 240. The spans are based on simple span joists. Spacing of trusses are center to center in inches. Live load l 480 total load l 360 5.

In my own home we have floor trusses which clearspan 48 feet. The versatility of the trimjoist is unmatched by any other pre engineered wood joist product. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability. Spans shown are in feet 4.

Open web wood floor trusses can be designed to support nearly any span. In other words a 40 span floor truss would be about 40 inches in depth. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.