2×8 Douglas Fir Bedroom Floor Joist Span (16" O.C., 30 PSF)
Building codes allow 30 psf live load for sleeping areas and attics with limited storage. This lower load permits longer spans than 40 psf living areas.
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Maximum Span14'-0"
Maximum Span168inches
Species & GradeDouglas Fir-Larch #2
Load ConditionLive Load: 30 psf, Dead Load: 10 psf
Deflection LimitLive Load: L/360, Total Load: L/240
Code ReferenceIRC Table R502.3.1
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