1 ft 0 3048 m.
2x12 floor joist span chart.
Maximum floor joist span for no.
See our complete chart of floor joist size span and spacing requirements before you build.
Spans in this table were derived from the irc table r502 3 1 2 design criteria.
2 grade of douglas fir are indicated below.
Floor joist span tables for various sizes and species of wood.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Live load is weight of furniture wind snow and more.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
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.
Also available for the android os.
We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.
View joist rafter tables.
1 psf lb f ft 2 47 88 n m 2.