Half Span |
mm |
---|---|
Overhang |
mm |
Rafter Thickness |
mm |
Ridgeboard Thickness |
mm |
Birdsmouth |
Total |
|
---|---|---|
Rafter |
- | - |
End Jack |
- | - |
Hip & Valley |
- | - |
'Top length' measurements are applied to the tops of the specified members. The lengths include deductions for rafter and ridge thickness, plumb cuts and add any specified overhang. |
Plumb |
Side |
|
---|---|---|
Rafter & Creeper |
- | - |
Hip |
- | - |
Down |
Side |
|
Purlin |
- | - |
The 100 × _ mm values can be scribed to create a diagonal line to set your bevel angle. |
Spacing |
Length Difference |
|
---|---|---|
Creeper Length Difference |
mm | - |
For each pair of creeper rafters with the spacing above, the length difference is provided. Spacing is measured between the rafter edges facing the same side. |