38A-153 Maximum Span Calculator for Joists& Rafters Page 1 of I
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Species Spruce-Pine-Fir
Size 2x6 v
Grade No. 2 v
Member Type I Rafters(Snow Load) v
Deflection Limit L/240 0
Spacing(in) 16
Wet service conditions?
No
Exterior Exposure
Incised lumber?
No i v
Snow Load(psi) 35
Dead Load(psi) 10
Calculate Maximum Horizontal Span
Go to Span Options Calculator for Wood Joists&Rafters
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0 Available on the iPhone
App Store Span Calculator for Wood Joists and Rafters available for the iPhone.
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Google-play Span Calculator for Wood Joists and Rafters also available for the Android OS.
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The Maximum Horizontal Span is:
11 ft. 2 in.
with a minimum bearing length of 0.52 in.
required at each end of the member.
Property Value
Species Spruce-Pine-Fir
Grade No. 2
Size 2x6
Modulus of Elasticity(F) 1400000 psi
Bending Strength(Fs) 1504.34 psi
Bearing Strength(Fen) 425 psi
Shear Strength(F,) 155.25 psi
While every effort has been made to insure the accuracy of the information presented,and special effort has been made to
assure that the information reflects the state-of-the-art,neither the American Wood Council nor its members assume any
responsibility for any particular design prepared from this Online Span Calculator.Those using this Online Span
Calculator assume all liability from its use.
Comments?info@awe.org.
http://www.awc.org/calculators/spancale/timbercalestyle.asp?species=Spmee-Pine-Fir&siz... 7/26/2016