2x6 Floor Joists With 8 Ft Span

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

2x6 floor joists with 8 ft span.

Dead load weight of structure and fixed loads 10 lbs ft 2. However when running spf 2 6 floor joists into the floor joist calculator referenced above you get a maximum span of 9 feet 8 inches with a minimum bearing length of 3 inches at each end on 12 centers. Floor joist span tables for various sizes and species of wood. Live load is weight of furniture wind snow and more.

The rule of thumb is 6 foot span with a 2 6 on 16 centers. This a rough guideline. 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. While most residential construction uses 2x8 joists with 16 inch spacing there are many other factors you need to consider when determining the proper joist span length.

A 2x8 up to 12 feet. A double 2x12 beam can span 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. 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. 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. 1 ft 0 3048 m. Span calculator for wood joists and rafters also available for the android os.

The numbers in gray indicate the distance between the support posts. A 2 2x10 can span 10 feet and so on. Dimensional lumber deck beam span chart. 1 psf lb f ft 2 47 88 n m 2.

Joist span and spacing is set by your local building code. 2 grade of douglas fir are indicated below. The larger the deck the larger the joists.