2x6 Floor Joist Span Chart

See our complete chart of floor joist size span and spacing requirements before you build.

2x6 floor joist span chart.

Maximum floor joist span for no. Span calculator for wood joists and rafters also available for the android os. 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. Dead load weight of structure and fixed loads 10 lbs ft 2. For best results refer to our wood and composite deck joist span table. Live load is weight of furniture wind snow and more.

Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in. We ve included 2x6 2x8 2x10 and 2x12 joist spans 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. The larger the deck the larger the joists.

1 psf lb f ft 2 47 88 n m 2.