2×12 Douglas Fir Floor Joist Span (16" O.C., 40 PSF)
Ideal for maximum span requirements in residential and light commercial applications. 2×12 joists support large open floor plans and great rooms without intermediate support.
Results
Maximum Span19'-6"
Maximum Span234inches
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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