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APPENDIX C. PITCH CONVERSION CHART

Table C.1. Table showing different ways to specify roof slope.
Ratio [Height/Length]
mm Fall Per Metre
Degrees [°]
1:100
    10
  0.6
1:50
    20
  1
1:40
    25
  1.4
1:20
    50
  2.9
1:10
  100
  5.7
1:5
  200
 11.3
1:5.7
  176
10
1:3.7
  268
15
1:2.7
  364
20
1:1.7
  577
30
1:1
1000
45