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2×10 Douglas Fir Floor Joist Span (16" O.C., 40 PSF)

Popular choice for longer spans in residential construction. 2×10 joists allow for wider room dimensions and provide excellent stiffness to minimize floor deflection.

Results

Maximum Span16'-1"
Maximum Span193inches
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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