Floor Joist Span 2x12

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.
Floor joist span 2x12. Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more. Span calculator for wood joists and rafters also available for the android os. Spans in this table were derived from the irc table r502 3 1 2 design criteria.
1 psf lb f ft 2 47 88 n m 2. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Hem fir 2 joists with a live dead load of 40 10 psf. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
View joist rafter tables. Also available for the android os. See our complete chart of floor joist size span and spacing requirements before you build. Floor joist span tables for various sizes and species of wood.
True floor joist span calculations can only be made by a structural engineer or contractor. Live load is weight of furniture wind snow and more. Maximum floor joist span for no. 2 grade of douglas fir are indicated below.
1 ft 0 3048 m.