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Maximum Span Calculator for Joists & Rafters Page 1 of 1 <br /> American Maximum Span Calculator <br /> Wood <br /> for Wood Joists & Rafters <br /> Council <br /> Coun <br /> www.avve.org <br /> Species 'Hem-Fir <br /> Size 2x8 <br /> Grade No. 2 <br /> Member Type Floor Joists 7 <br /> Deflection Limit l L/1so <br /> Spacing (in) [12 <br /> Wet service conditions? <br /> No <br /> Exterior Exposure Incised lumber? <br /> No ' <br /> Live Load (psf) flop T3 <br /> Dead Load (psf) 5 k7. <br /> Calculate Maximum Horizontal Span <br /> Go to Span Options Calculator for Wood Joists&Rafters <br /> LIMITS OF USE J HELP RESTART 1 <br /> The Maximum Horizontal Span is: <br /> 9 ft. 11 in. <br /> with a minimum bearing length of 0.85 in. <br /> required at each end of the member. <br /> Property Value <br /> Species Hem-Fir <br /> Grade No. 2 <br /> Size 2x8 <br /> Modulus of Elasticity (E) 1300000 psi <br /> Bending Strength (Fb) 1173 psi <br /> Bearing Strength (Fcp) 405 psi <br /> Shear Strength (Fv) 150 psi <br /> While every effort has been made to insure the <br /> accuracy of the information presented, and special Attention mobile device users. Note that the <br /> effort has been made to assure that the Online Span Calculator was recently <br /> information reflects the state-of-the-art, neither reformatted to allow easier use on mobile <br /> the American Forest & Paper Association nor its devices. We are interested in user input <br /> members assume any responsibility for any regarding the new format and the use of the <br /> particular design prepared from this Online Span Online Span Calculator on mobile devices. <br /> Calculator. Those using this Online Span Calculator Send comments to awcinfo@afandpa.org. <br /> assume all liability from its use. <br /> http://www.awc.org/calculators/span/calc/timbercalcstyle.asp?specics=Hem-Fir&size=2x8&gr... 7/7/10 <br />