Floor Joist Table Span

Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.

Floor joist table span. If your old joists do not meet the requirements set by the table they are either supported. Live load is weight of furniture wind snow and more. 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. Residential structural design vertical structural forces we were about to start learning about floor joist span tables.

The maximum span is measured o c. This should be compared to the table. The spans are based on simple span joists. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

1 ft 0 3048 m. 1 psf lb f ft 2 47 88 n m 2. Using floor joist span tables. 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.

Dead load weight of structure and fixed loads 10 lbs ft 2. Maximum floor joist span for no. Of bearings and is based on uniformly loaded joists. View joist rafter tables.

True floor joist span calculations can only be made by a structural engineer or contractor. Span calculator for wood joists and rafters also available for the android os. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Also available for the android os.

Engineered wood products ewp span and size charts for bci joists. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. 2 grade of douglas fir are indicated below.

Floor joist span tables for various sizes and species of wood. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Continuing on from part 1.