2x12 Floor Joist Span Chart

A 2 2x10 can span 10 feet and so on.
2x12 floor joist span chart. See our complete chart of floor joist size span and spacing requirements before you build. Types of floor joists. Tree sawed and engineered. The floor joist span chart and building code requirements are based on data from the 2012 international residential code using number 2 lumber.
Joists for use in residential framing applications fall into two different categories. 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. Also available for the android os. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
We ve included 2x6 2x8 2x10 and 2x12 joist spans and more. Span calculator for wood joists and rafters also available for the android os. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Floor joist span tables for various sizes and species of wood.
This page focuses on the tree sawed variety. 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.