Open Web Wood Floor Truss Span Chart

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.

Open web wood floor truss span chart. Find out more about load opening charts and requirements for the trimjoist floor truss system. The maximum span is measured o c. Engineered wood products ewp span and size charts for bci joists. Roof floor truss manual 7 31 08 10 43 am page 12.

The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. Maximum deflection is limited by l 360 or l 480 under live load. Tcll top chord floor live load 2. Span chart for l 480 depth on.

Save design time build time and money with trusses built in long production runs. The spans are based on simple span joists. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Open web wood floor trusses can be designed to support nearly any span.

Spacing of trusses are center to center in inches. Find span carts for open joist products. Plan on the thickness of the floor being roughly equal in inches to the span in feet. Live load l 480 total load l 360 5.

Tcdl 10 psf and bcdl 5 psf 3. Spans shown are in feet 4. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. 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.

Of bearings and is based on uniformly loaded joists. Midwest manufacturing truss plant must quote floor truss girders on a case by case basis. And parallel to floor truss span strongback lateral supports 24 max. Open joist is a revolutionary open web all wood floor truss engineered with superior strength and load carrying capabilities.

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. The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work. Openings are to be located in the center of the span max opening width is 24 inches 7. The versatility of the trimjoist is unmatched by any other pre engineered wood joist product.

In other words a 40 span floor truss would be about 40 inches in depth. Please call 1 715 876 3204 or 1 800 826 7126 for more information. In my own home we have floor trusses which clearspan 48 feet.