2×10 SPF Floor Joist Span (16" O.C., 40 PSF)
Good balance of cost and performance for residential construction in regions where SPF is readily available. Suitable for most standard residential floor applications.
Results
Maximum Span15'-4"
Maximum Span184inches
Species & GradeSpruce-Pine-Fir #2
Load ConditionLive Load: 40 psf, Dead Load: 10 psf
Deflection LimitLive Load: L/360, Total Load: L/240
Code ReferenceIRC Table R502.3.1
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