Southern Pine Floor Joist Span Table
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Of visually graded southern pine dimension lumber.
Southern pine floor joist span table. 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. This edition has been updated to the 2015 nds design values supplement changes include new design values for southern pine and mixed southern pine design values. From this page users can also download sfpa s updated publication southern pine maximum spans for joists rafters that includes all 46 tables design. For example in the joist span table below the highlighted cell shows that 2 x 8 southern yellow pine joists that have a grade of 2 and are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2.
Effective june 1 2013. For southern pine. View joist rafter tables. These tables can also be used to determine deck joist span.
Table 12 wet service floor joists mc 19 40 psf live load 10 psf dead load 360 deflection. 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. Also available for the android os. Dense structural select structural nondense select structural no 1.
The lengths and sizes of joists vary depending on the species and quality of the lumber used. Rafter and joist span faq. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.