Max Floor Joist Span 2x6

True floor joist span calculations can only be made by a structural engineer or contractor.

Max floor joist span 2x6. Dead load is the weight of the structure and any fixed items. Span calculator for wood joists and rafters also available for the android os. These tables can also be used to determine deck joist span. If you have any questions.

1 psf lb f ft 2 47 88 n m 2. 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. For best results refer to our wood and composite deck joist span table. Maximum floor joist span for no.

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. 1 ft 0 3048 m. 2 grade of douglas fir are indicated below. Live load represents the weight of furniture snow etc.

Spans in this table were derived from the irc table r502 3 1 2 design criteria. Live load is weight of furniture wind snow and more. Our joist span charts are for wood joists with a maximum dead load of 10 pounds per square foot and a live load of 40 pounds per square foot. Also available for the android os.

Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in. 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. This chart is for basic reference only. 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.

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.