Maximum Span For 2x6 Floor Joists
1 psf lb f ft 2 47 88 n m 2.
Maximum span for 2x6 floor joists. The larger the deck the larger the joists. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. The icc replaced the cantilever portion of the table in the 2018 irc with a maximum overhang length making the table similar to that in dca6. See our complete chart of floor joist size span and spacing requirements before you build.
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. No a 2x6 will probably not collapse under the weight of a few. For best results refer to our wood and composite deck joist span table. After a year in the sun and rain without support.
1 ft 0 3048 m. What the code is here but would guess around 2x10 is needed. View joist rafter tables. 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.
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. Floor joist span tables for various sizes and species of wood. The cantilever portion of the 2015 irc joist span table is awkward to use.
Hem fir 2 joists with a live dead load of 40 10 psf. Yes a 16 foot 2x6 may look like a pretzle. Also available for the android os. Spans in this table were derived from the irc table r502 3 1 2 design criteria.
Dead load weight of structure and fixed loads 10 lbs ft 2. 2 grade of douglas fir are indicated below. Live load is weight of furniture wind snow and more. Span calculator for wood joists and rafters also available for the android os.
We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.