Deck Floor Joist Span Chart

Also available for the android os.

Deck floor joist span chart. As a rule the larger the deck the larger the joists. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. View joist rafter tables. The deck joist span chart below is based on the updated codes from the international residential code 2015 which for the first time specifically addressed these deck design considerations.

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. The proper deck joist span distance between supporting beams below the joists for your deck should be known before you start building and is needed to draft your deck plan. Deck joists have a different maximum span length depending upon the size spacing and framing material that you re creating your. The spans of joists varies based upon several factors.

2x10 to 15 feet and 2x12 to 18 feet. The larger the deck the larger the joists. Section r507 5 notes that deck joists can cantilever up to 1 4 of the joist span. Deck joists are typically spaced either every 12 inches or 16 inches on center.

Floor joist span tables for various sizes and species of wood. In general terms joists spaced 16 inches on center can span 1 5 times in feet their depth in inches. Steel post cap connectors plywood post to beam cleats other connectors deck porch railings code requirements safety deck framing tables codes specifications questions answers about allowable spans for deck floor or porch framing. For example joists spaced 16 inches from the center of the joist next to it can span 1 5 times in feet the depth of their inches.

Joist size spacing between joists decking material and wood species. The maximum joist spacing you can use will depend on the size and allowable span of your joists. Span calculator for wood joists and rafters also available for the android os. What s the maximum deck joist span.

Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors. But you ll notice when you look at the portion of the span table for joists with cantilevers that the joist span for decks with a cantilever is often less than the span for the same sized joist without cantilevers. A 2x8 up to 12 feet. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.