Open Web Wood Floor Truss Span Chart

The spans are based on simple span joists.

Open web wood floor truss span chart.

Spacing of trusses are center to center in inches. Save design time build time and money with trusses built in long production runs. 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 trusses can be designed to support nearly any span.

Find out more about load opening charts and requirements for the trimjoist floor truss system. Of bearings and is based on uniformly loaded joists. Spans shown are in feet 4. The maximum span is measured o c.

Openings are to be located in the center of the span max opening width is 24 inches 7. Engineered wood products ewp span and size charts for bci joists. In other words a 40 span floor truss would be about 40 inches in depth. Tcdl 10 psf and bcdl 5 psf 3.

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. In my own home we have floor trusses which clearspan 48 feet. Plan on the thickness of the floor being roughly equal in inches to the span in feet. And parallel to floor truss span strongback lateral supports 24 max.

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. Maximum deflection is limited by l 360 or l 480 under live load. Floor truss girders are most often used around stairway openings open to below areas around foyers and great rooms as well as for individual point loads.

Roof floor truss manual 7 31 08 10 43 am page 12. Find span carts for open joist products. Tcll top chord floor live load 2. Midwest manufacturing truss plant must quote floor truss girders on a case by case basis.

The versatility of the trimjoist is unmatched by any other pre engineered wood joist product. Span chart for l 480 depth on. Dead load deflection is limited to l 360 and total load deflection is limited to l 240. In stock at plant and ready for immediate pickup.

The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work. 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.