Roof floor truss manual 7 31 08 10 43 am page 12.
Open web wood floor truss span chart.
Top and bottom chords braced by structural sheathing 6.
The spans are based on simple span joists.
Find out more about load opening charts and requirements for the trimjoist floor truss system.
Please call 1 715 876 3204 or 1 800 826 7126 for more information.
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.
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 minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.
Of bearings and is based on uniformly loaded joists.
Tcdl 10 psf and bcdl 5 psf 3.
Save design time build time and money with trusses built in long production runs.
In my own home we have floor trusses which clearspan 48 feet.
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.
Maximum deflection is limited by l 360 or l 480 under live load.
Tcll top chord floor live load 2.
Open web wood floor trusses can be designed to support nearly any span.
Spans shown are in feet 4.
The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work.
Engineered wood products ewp span and size charts for bci joists.
Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00.
Dead load deflection is limited to l 360 and total load deflection is limited to l 240.
Midwest manufacturing truss plant must quote floor truss girders on a case by case basis.
In stock at plant and ready for immediate pickup.
The maximum span is measured o c.
Find span carts for open joist products.
And parallel to floor truss span strongback lateral supports 24 max.
Spacing of trusses are center to center in inches.
Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.
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.
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.