I know which JoistI will use I know what myspan is Choose Section Identification 800JR200-43 800JR200-54 800JR200-68 800JR200-97 800JR250-43 800JR250-54 800JR250-68 800JR250-97 800JR300-43 800JR300-54 800JR300-68 800JR300-97 1000JR200-43 1000JR200-54 1000JR200-68 1000JR200-97 1000JR250-43 1000JR250-54 1000JR250-68 1000JR250-97 1000JR300-43 1000JR300-54 1000JR300-68 1000JR300-97 1200JR200-54 1200JR200-68 1200JR200-97 1200JR250-54 1200JR250-68 1200JR250-97 1200JR300-54 1200JR300-68 1200JR300-97 1400JR200-54 1400JR200-68 1400JR200-97 1400JR250-54 1400JR250-68 1400JR250-97 1400JR300-54 1400JR300-68 1400JR300-97 Choose Load Criteria 15 psf Dead Load plus 40 psf Live Load 40 psf Dead Load plus 40 psf Live Load 15 psf Dead Load plus 60 psf Live Load 40 psf Dead Load plus 60 psf Live Load 15 psf Dead Load plus 125 psf Live Load 40 psf Dead Load plus 125 psf Live Load Choose L/360 L/480 Span Feet -- 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' 15' 16' 17' 18' 19' 20' 21' 22' 23' 24' 25' 26' 27' 28' 29' 30' 31' 32' 33' 34' 35' Inch 0'' 1'' 2'' 3'' 4'' 5'' 6'' 7'' 8'' 9'' 10'' 11'' 12'' Spacing (o.c) 12 16 24 Load 15 psf Dead Load plus 40 psf Live Load 40 psf Dead Load plus 40 psf Live Load 15 psf Dead Load plus 60 psf Live Load 40 psf Dead Load plus 60 psf Live Load 15 psf Dead Load plus 125 psf Live Load 40 psf Dead Load plus 125 psf Live Load Deflection L/360 L/480