2x12 Floor Joist Span Chart

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2x12 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. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 1 ft 0 3048 m. Spans in this table were derived from the irc table r502 3 1 2 design criteria.

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. Span calculator for wood joists and rafters also available for the android os. Also available for the android os. 1 psf lb f ft 2 47 88 n m 2.

Hem fir 2 joists with a live dead load of 40 10 psf. View joist rafter tables. 2 grade of douglas fir are indicated below. Dead load weight of structure and fixed loads 10 lbs ft 2.

Live load is weight of furniture wind snow and more.