Open Web Floor Joists Span Table

Maximum spans published on the chart above may be limited by standard joist configuration.

Open web floor joists span table.

Simply enter the required span to see a range of results that will work. Because open joist is a stock product the length of an open joist truss determines the size and grade of the truss chords see table below. The re engineering of the wooden floor joist that. The open web nature of the trimjoist is ideal for plumbing electrical find out more about load opening charts and requirements for the trimjoist floor truss system.

Of bearings and is based on uniformly loaded joists. 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. Engineered wood products ewp span and size charts for bci joists. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.

Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. To find maximum clear span for a given truss depth in a given loading condition refer to the bottom line of. Spacing of trusses are center to center in inches. The versatility of the trimjoist is unmatched by any other pre engineered wood joist product.

The following easi joist span tables are to be used as a basic guide to achievable joist span for given depth and spacing and should be used for estimating of feasibility only. Try our interactive span checker to find the posi joist suitable for your project. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. 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.

Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. No more custom made floor trusses. The maximum span is measured o c. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit.

Due to variations in timber grades load sets support conditions and bearing widths the tables are not suitable as a design tool. Maximum deflection is limited by l 360 or l 480 under live load. You will be given a range of depths and centres that are available and also an indicative deflection result. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.