Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
Floor joist span 2x10.
The maximum span for a 2 x 10 floor joist is up to 21 feet depending on several factors.
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.
Maximum floor joist span for no.
Live load is weight of furniture wind snow and more.
1 ft 0 3048 m.
Using floor joist span tables.
Dead load weight of structure and fixed loads 10 lbs ft 2.
Span entries are listed for 2 6 through 2 12 joists and 12 in 16 in and 24 in.
Residential structural design vertical structural forces we were about to start learning about floor joist span tables.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
Spacing is measured from the center of one joist to the center of the next.
In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above.
2x10 to 15 feet and 2x12 to 18 feet.
We ve included 2x6 2x8 2x10 and 2x12 joist spans and more.
Floor joist span tables for various sizes and species of wood.
Additionally the load that the floor needs to support is also a consideration.
One must take into consideration the spacing of the joists and type of wood used.
Don t worry you won t need to do a lot of calculations in determining the size and placement of the structural framing within your house design.
View joist rafter tables.
See our complete chart of floor joist size span and spacing requirements before you build.
Span calculator for wood joists and rafters also available for the android os.
Also available for the android os.
The maximum span distance for 12 inch spacing is greater by as much as 30 percent compared to 24 inch spacing.
Continuing on from part 1.
2 grade of douglas fir are indicated below.
1 psf lb f ft 2 47 88 n m 2.
The illustrations one for cantilever joists and one for flush rim beam hung joists point out where joist span measurements are taken from the saddle of the ledger mounted joist hanger to the center of a dropped beam or saddle of the.