2x6 Floor Board Span

For upper level decks 2x10 is recommended as the minimum size to use for strong guard post connections.

2x6 floor board span.

If you will run decking at an angle you might need to put the joists closer together. A 2 2x10 can span 10 feet and so on. 1 ft 0 3048 m. For conventional guardrail post installation bolted to the side of the framing larger framing will provide more strength in the rails.

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Decking boards span from joist to joist. Maximum floor joist span for no. The numbers in gray indicate the distance between the support posts.

2x6 joists should only be used on ground level decks that do not require and will not provide for any guards. Decking made of 2x4s or 2x6s can span up to 24 inches. For example a joist made from doubled 2 x 6s can span a distance about 25 percent more than a single 2 x 6 but a 2 x 12 can span about 80 percent more than a 2 x 6 even. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Live load is weight of furniture wind snow and more. Again it s important to know your local codes. 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. View joist rafter tables.

1 psf lb f ft 2 47 88 n m 2. Also available for the android os. 2 grade of douglas fir are indicated below. The strength of a given joist board is most dramatically affected by the board s top to bottom width.

A double 2x12 beam can span 12 feet. Dimensional lumber deck beam span chart. Span calculator for wood joists and rafters also available for the android os. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.

See our complete chart of floor joist size span and spacing requirements before you build.