Maximum Span Of A 2x10 Floor Joist

Our joist span charts are for wood joists with a maximum dead load of 10 pounds per square foot and a live load of 40 pounds per square foot.

Maximum span of a 2x10 floor joist. True floor joist span calculations can only be made by a structural engineer or contractor. 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. This is unrealistic because any living space or deck requires a joist that can support a 40 psf live load.

View Joist Rafter Tables. 210 floor joists can span up to 20. Other span tables are based on the guidance given in BS 5268-71 which is a uniformly distributed load of 15kNm² for spans greater than.

For example a 3-ply 2X8 beam would use three 2X8s nailed together side by side. Click to see full answer. The distance a joist rafter or beam can span depends on the wood species grade of lumber loads and how they are used.

When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches. Joist Spans Spaced at 12 inches the joist may only span 16 feet 8 inches. The floor joist span tables are based on the loadings given in the amended version of BS 6399-1 which is an imposed load of either a uniformly distributed load of 15 kNm² or a concentrated load of 14 kN.

In the joist span table below the highlighted cell 10-3 indicates that a 2 grade 2 x 8 Southern Yellow Pine joist spaced 24 apart can have a maximum span of 10 feet - 3 inches 10-3 if designing for a live load of 40 lbsft 2 and a deflection limit of the total span in inches divided by 360. 3 rows What is the maximum span for a 2x10 floor joist. Spacing in 12 16 192 24.

Douglas fir 2-by-10 joists graded as. A double 2x12 beam can span 12 feet. Floor Joists Ceiling Joists Rafters Snow Load Rafters Roof Live-Load Deflection Limit.