Wood Floor Joist Span Chart

Engineered wood products ewp span and size charts for bci joists.

Wood floor joist span chart.

While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 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.

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Also available for the android os. Floor joist span tables for various sizes and species of wood. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.