Open Web Floor Trusses Span Chart

Find out more about load opening charts and requirements for the trimjoist floor truss system.

Open web floor trusses span chart.

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. Tcll top chord floor live load 2. Spacing of trusses are center to center in inches.

The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. Top and bottom chords braced by structural sheathing 6. Live load l 480 total load l 360 5. Roof floor truss manual 7 31.

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. 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. Find span carts for open joist products.

Tcdl 10 psf and bcdl 5 psf 3. The re engineering of the wooden floor joist that. Open joist is a revolutionary open web all wood floor truss engineered with superior strength and load carrying capabilities. Open joist by asc span charts.

Our open joist system the strength of the triangulation the accuracy of multiple joints optimizing the use of wood in a responsible manner and adjustment flexibility to the site makes the triforce open joist the only floor open joist and adjustable made entirely of wood and assembled without a metal connector. Floor joist scab cantilever floor cantilevered perpendicular and parallel to floor truss span strongback lateral supports 24 max. Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship. Dead load deflection is limited to l 360 and total load deflection is limited to l 240.

The versatility of the trimjoist is unmatched by any other pre engineered wood joist product. The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00.

The spans are based on simple span joists. Spans shown are in feet 4. Engineered wood products ewp span and size charts for bci joists. No more custom made floor trusses.

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. This also reduces the need and cost for extra bearing posts beams and footings.