Max Span For 2x10 Floor Joist

This chart is for basic reference only.

Max span for 2x10 floor joist. Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. View joist rafter tables. The larger the deck the larger the joists.

For example in the joist span table below the highlighted cell shows that 2 x 8 southern yellow pine joists that have a grade of 2 and are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. 1 psf lb f ft 2 47 88 n m 2. Dead load is the weight of the structure and any fixed items. A 2x8 up to 12 feet.

Also available for the android os. 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. True floor joist span calculations can only be made by a structural engineer or contractor. Live load is weight of furniture wind snow and more.

1 ft 0 3048 m. Maximum floor joist span for no. Dead load weight of structure and fixed loads 10 lbs ft 2. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

The maximum span for a 2 x 10 floor joist is up to 21 feet depending on several factors. Additionally the load that the floor needs to support is also a consideration. If you have any questions. Span calculator for wood joists and rafters also available for the android os.

2x10 to 15 feet and 2x12 to 18 feet. Joists that are closer together can support more weight which allows the joists to span a longer distance than joists spaced further apart. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 2 grade of douglas fir are indicated below.

The maximum span distance for 12 inch spacing is greater by as much as 30 percent compared to 24 inch spacing. These tables can also be used to determine deck joist span. Live load represents the weight of furniture snow etc. Spacing is measured from the center of one joist to the center of the next.