Floor joist span tables for various sizes and species of wood.
2x6 floor joist span chart.
The larger the deck the larger the joists.
1 psf lb f ft 2 47 88 n m 2.
Live load is weight of furniture wind snow and more.
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.
We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.
1 ft 0 3048 m.
Span calculator for wood joists and rafters also available for the android os.
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.
The table has two column sections one for joists without a cantilever and one for joists with a cantilever.
See our complete chart of floor joist size span and spacing requirements before you build.
2 grade of douglas fir are indicated below.
Also available for the android os.
Dead load weight of structure and fixed loads 10 lbs ft 2.