Span Tables Deck Floor Joist Span Chart

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Span tables deck floor joist span chart. Dimensional lumber deck beam span chart. As a rule the larger the deck the larger the joists. View joist rafter tables. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Section r507 5 notes that deck joists can cantilever up to 1 4 of the joist span. This article explains typical spans for deck joists deck beams and deck flooring giving both standard span tables and a quick rule of thumb that works pretty well. 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. Floor joist span tables for various sizes and species of wood.

Framing tables for decks. Recommended or allowable joist beam spans. 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 beam spans sizes.

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. 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. To learn more about deck joist sizing spacing and allowable span reference this chart. Ready to start calculating how much lumber you ll need for your joists.