2x6 Floor Truss Span Chart

See our complete chart of floor joist size span and spacing requirements before you build.

2x6 floor truss span chart.

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. 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. The 2 4 s and 2 6 s are considered to be in spf 3 stud and the 2 8 s and 2 10 s in spf 1 2. Geometry loading spacing bearing conditions etc. 1 ft 0 3048 m.

2 grade of douglas fir are indicated below. We ve included 2x6 2x8 2x10 and 2x12 joist spans and more. Strongbacks must be installed at mid span to achieve the maximum spans indicated for the vibration criterion in section 9 23 4 3 2 of the national building code of canada nbc. Spacing of trusses are center to center in inches.

Floor joist span tables for various sizes and species of wood. Span calculator for wood joists and rafters also available for the android os. Maximum deflection is limited by l 360 or l 480 under live load. View joist rafter tables.

Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Span tables below illustrate common combinations of the multiple variables available. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator.