Floor Joist Span 2x12

1 ft 0 3048 m.

Floor joist span 2x12.

Dead load weight of structure and fixed loads 10 lbs ft 2. Spans in this table were derived from the irc table r502 3 1 2 design criteria. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Hem fir 2 joists with a live dead load of 40 10 psf.

The illustrations one for cantilever joists and one for flush rim beam hung joists point out where joist span measurements are taken from the saddle of the ledger mounted joist hanger to the center of a dropped beam or saddle of the. Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in. Span calculator for wood joists and rafters also available for the android os. True floor joist span calculations can only be made by a structural engineer or contractor.

See our complete chart of floor joist size span and spacing requirements before you build. 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. 2 grade of douglas fir are indicated below.

Maximum floor joist span for no. Live load is weight of furniture wind snow and more. View joist rafter tables. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Floor joist span tables for various sizes and species of wood.