Syp Floor Joist Span Table

Floor joist span tables for various sizes and species of wood.
Syp floor joist span table. For southern pine. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. For each application a pdf download is available. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Effective june 1 2013. The spans are based on simple span joists. Tables listing maximum spans for southern pine joists and rafters are detailed below. The maximum span is measured o c.
Dense elect structural select structural nondense structural no 1 dense no 1 nondense no 2 dense nondense no 3 12. Maximum spans in feet inches. 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. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall.
Table 1 floor joists 30 psf live load 10 psf dead load 360 deflection. Of bearings and is based on uniformly loaded joists. These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013.