1 ft 0 3048 m.
2x12 floor joist span chart.
Hem fir 2 joists with a live dead load of 40 10 psf.
2 grade of douglas fir are indicated below.
View joist rafter tables.
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.
Span calculator for wood joists and rafters also available for the android os.
See our complete chart of floor joist size span and spacing requirements before you build.
Also available for the android os.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Maximum floor joist span for no.
1 psf lb f ft 2 47 88 n m 2.
Dead load weight of structure and fixed loads 10 lbs ft 2.
Floor joist span tables for various sizes and species of wood.
Live load is weight of furniture wind snow and more.