2. Consider your roof type and pitch
Determine what type of flashing you need depending on what type of roof you have.
Roof
type |
Roof
pitch |
Flashing in kit |
Tube diameter
available |
| Asphalt shingle |
3:12
to
12:12 |
Composite |
10" & 14" |
Tile, asphalt shingle,
flat or torch down roofs |
Flat
to
12:12 |
Seamless aluminum |
10" & 14" |
| Tile roofs |
3:12
to
12:12 |
Formable flashing |
10" |
 Determining roof pitch
"Roof
pitch" is how far the roof drops vertically for every 12" of horizontal run.
|
Composite flashing 
Seamless aluminum flashing 
Formable flashing |
