Wood Floor Joist Span Chart

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Wood floor joist span chart.

Also available for the android os. View joist rafter tables. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Floor joist span tables for various sizes and species of wood.

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. 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. Span calculator for wood joists and rafters also available for the android os. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.