2 By 10 Floor Joist

2 grade of douglas fir are indicated below.

2 by 10 floor joist.

Common joist spacings for 2 by 10 joists and other dimensional lumber sizes are 12 16 and 24 inches. True floor joist span calculations can only be made by a structural engineer or contractor. Live load is weight of furniture wind snow and more. 1 psf lb f ft 2 47 88 n m 2.

The maximum span distance for 12 inch spacing is greater by as much as 30 percent compared to 24 inch. Maximum floor joist span for no. The joists span approximately 11 ft one end is supported by a load bearing exterior wall the other end of the joists rest on a 4x10 beam that spans the width of my garage. Any help is greatly.

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. 1 ft 0 3048 m. Joists that are closer together can support more weight which allows the joists to span a longer distance than joists spaced further apart. Floor joist span tables for various sizes and species of wood.