2x12 Floor Joist Span Chart

2 grade of douglas fir are indicated below.

2x12 floor joist span chart.

Dead load weight of structure and fixed loads 10 lbs ft 2. Floor joist span tables for various sizes and species of wood. 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.

Spans in this table were derived from the irc table r502 3 1 2 design criteria. Also available for the android os. 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. 1 psf lb f ft 2 47 88 n m 2.

Span calculator for wood joists and rafters also available for the android os. Hem fir 2 joists with a live dead load of 40 10 psf. Live load is weight of furniture wind snow and more. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.

1 ft 0 3048 m.