Roof Joist Calculator
Span Length (feet) Member Spacing (inches) Select spacing12″ O.C.16″ O.C.19.2″ O.C.24″ O.C. Building Width (feet) Live Load – Snow (psf) Select live load20 psf (Light)30 psf (Moderate)40 psf (Heavy)50 psf (Very Heavy) Dead Load (psf) Select dead load10 psf (Light)15 psf (Standard)20 psf (Heavy) Wood Species Spruce-Pine-FirDouglas Fir-LarchHem-FirSouthern Pine Calculate Reset Recommended Size: – Number…
