Overhang is measured horizontally and applied on all four sides. Width is across the slope(s). Enter the effective cover of one sheet or tile (after laps) from the maker's data.
Ridge rise–
Rafter length–
Roof area–
Pieces–
Section
Pitch, four ways
Roof plan
Common pitches for this width and overhang
| Angle | 1 in n | Percent | Rise per 12 | Ridge rise (m) | Rafter (m) | Area × plan |
|---|