2x6 Floor Joist Span
Maximum floor joist span for no.
2x6 floor joist span. Dead load weight of structure and fixed loads 10 lbs ft 2. While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.
Live load is weight of furniture wind snow and more. Floor joist span tables for various sizes and species of wood. The larger the deck the larger the joists.
Also available for the android os. Span calculator for wood joists and rafters also available for the android os. 2 grade of douglas fir are indicated below.
Spans in this table were derived from the irc table r502 3 1 2 design criteria. In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. For best results refer to our wood and composite deck joist span table.
Hem fir 2 joists with a live dead load of 40 10 psf. For example a joist made from doubled 2 x 6s can span a distance about 25 percent more than a single 2 x 6 but a 2 x 12 can span about 80 percent more than a 2 x 6 even though it has the same amount of wood as a doubled 2 x 6. Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in.
1 psf lb f ft 2 47 88 n m 2. See our complete chart of floor joist size span and spacing requirements before you build.