Lumber Span Calculator
Lumber Span Calculator Lumber Width (inches): Lumber Depth (inches): Spacing (inches): Wood Species: Douglas Fir-Larch (1200 psi)Hem-Fir (1000 psi)Spruce-Pine-Fir (900 psi)Southern Pine (1350 psi) Load Type: Residential Floor (40 psf)Residential Floor Heavy (50 psf)Residential Ceiling (30 psf)Roof (20 psf) Calculate Reset Moment of Inertia: 0.00 in⁴ Section Modulus: 0.00 in³ Maximum Span: 0.00 ft Maximum … Read more