2x8 Floor Joist Span Length

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.
2x8 floor joist span length. 2x10 to 15 feet and 2x12 to 18 feet. Live load is weight of furniture wind snow and more. Maximum floor joist span for no. Also available for the android os.
Floor joist span tables for various sizes and species of wood. The illustrations one for cantilever joists and one for flush rim beam hung joists point out where joist span measurements are taken from the saddle of the ledger mounted joist hanger to the center of a dropped beam or saddle of the. Joist span and spacing is set by your local building code. The larger the deck the larger the joists.
Span calculator for wood joists and rafters also available for the android os. 2 grade of douglas fir are indicated below. When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started. 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. A 2x8 up to 12 feet. 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.