Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
1 syp floor joists.
Southern yellow pine syp has the highest density of all structural lumber species.
Dense structural select structural nondense structural no 1 dense no 1 nondense no 2 dense no 2 nondense no 3 12.
2 grade of douglas fir are indicated below.
It provides superior fastener holding power and load bearing capacity.
Live load is weight of furniture wind snow and more.
1 psf lb f ft 2 47 88 n m 2.
Product may vary by store.
View joist rafter tables.
Floor joist span tables for various sizes and species of wood.
168 00 h x 11 25 w x 1 50 d.
Table 2 floor joists 40 psf live load 10 psf dead load 360 deflection.
1 1 2 x 11 1 4 x 14 actual.
Maximum floor joist span for no.
Click to learn how to select the right lumber for your project.
7 3 7 1 6 10 7 1 6 10 6 6 6 10 6 6 6 4 5 6.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Effective june 1 2013.
Dead load weight of structure and fixed loads 10 lbs ft 2.
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.