Deck Framing Span Floor Joist Span Chart

Joist beam spans sizes.
Deck framing span floor joist span chart. Joist size spacing between joists decking material and wood species. A 2 2x10 can span 10 feet and so on. Floor joist span tables for various sizes and species of wood. Recommended or allowable joist beam spans.
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. 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. The larger the deck the larger the joists. A 2x8 up to 12 feet.
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. 2x10 to 15 feet and 2x12 to 18 feet. Also available for the android os. Here s a helpful chart covering the most popular wood framing species and their maximum allowed spans.
Deck joists have a different maximum span length depending upon the size spacing and framing material that you re creating your deck with. Framing tables for decks. The spans of joists varies based upon several factors. In general terms joists spaced 16 inches on center can span 1 5 times in feet their depth in inches.
A double 2x12 beam can span 12 feet. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. The table includes spans for common lumber species used for deck framing like southern pine douglas fir hem fir redwood western cedar and other species. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
Find out how far your deck joists can span when framing your deck. But the 2015 irc included a new one table r507 5 that will make it easy for deck builders to spec a joist size for a given span and joist spacing. View joist rafter tables. The numbers in gray indicate the distance between the support posts.
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.