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Mixed Roofing Questions

Slope Ratio Span of Roof Run of Rafter Number of Units of Run Unit of Rise Unit of Line Length Line Length of Rafter Overhang Projection Line Length of Overhang Total rise of Roof
A 1:1.71 32’-0” 2’-0”
B 1:2 26’-0” 1’-6”
Slope Run Line Length of Gable Stud
1:1.71 4’-6”
1:2 12’-6”
Slope O.C. Spacings Difference in length Gable
1:1.71 16”
1:1.3 24”
SI Slope Span Run Number of Units of Run Unit of Rise Unit of Line Length Line length of Hip Rafter Overhang Projection Line Length of Overhang
A 1:2.5 8500 300
B 1:3.33 4800 600

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Carpentry Refresher Program Manual Copyright © by Saskatchewan Indian Institute of Technologies-Trades and Industrial is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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