Max Span For 2x6 Floor Joist

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.

Max span for 2x6 floor joist. Dead load is the weight of the structure and any fixed items. These tables can also be used to determine deck joist span. 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. Hem fir 2 joists with a live dead load of 40 10 psf.

If you have any questions. Live load represents the weight of furniture snow etc. Live load is weight of furniture wind snow and more. For best results refer to our wood and composite deck joist span table.

True floor joist span calculations can only be made by a structural engineer or contractor. 2 grade of douglas fir are indicated below. Dimensional lumber deck beam span chart. 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.

1 ft 0 3048 m. Maximum floor joist span for no. Dead load weight of structure and fixed loads 10 lbs ft 2. 1 psf lb f ft 2 47 88 n m 2.

This chart is for basic reference only. Also available for the android os. 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. A double 2x12 beam can span 12 feet.

Span calculator for wood joists and rafters also available for the android os. When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches. The numbers in gray indicate the distance between the support posts. Spans in this table were derived from the irc table r502 3 1 2 design criteria.