2×8 Douglas Fir Floor Joist Span (12" O.C., 40 PSF)
Provides superior stiffness for tile floors and heavy loads. The 12" spacing minimizes deflection and bounce in residential floors.
Results
Maximum Span13'-9"
Maximum Span165inches
Species & GradeDouglas Fir-Larch #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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