Open Web Floor Joist 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 floor joist span chart.

Maximum spans are measured centerline to centerline of bearing and are based on uniformly loaded joists. The indicated spans are based on simple span joists. Live load deflection is limited to l 480. Spacing of trusses are center to center in inches.

Geometry loading spacing bearing conditions etc. Maximum deflection is limited by l 360 or l 480 under live load. Open joist by asc span charts. The re engineering of the wooden floor joist that.

Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Open joist is a revolutionary open web all wood floor truss engineered with superior strength and load carrying capabilities. No more custom made floor trusses. The open web nature of the trimjoist is ideal for plumbing electrical and a c duct work.

Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. Minimum end bearing length is 1 spans in bold require web stiffeners at osb end panel. Engineered wood products ewp span and size charts for bci joists. The versatility of the trimjoist is unmatched by any other pre engineered wood joist product.

Find span carts for open joist products. 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. Find out more about load opening charts and requirements for the trimjoist floor truss system. 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.

Total load deflection is limited to l 240. Floor truss span chart each individual floor truss design is unique based on multiple variables. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit.