Summit Metal Supply
Trim Angle Calculator
Inputs
Trim type
End-wall flashing
Eave trim
Transition / Gambrel flashing
Ridge cap
Pitch – rise (per 12")
Pitch 2 – rise (per 12")
Rise per 12" of run. Example: 4/12 pitch → enter 4.
Results
Enter a pitch and click "Calculate angles".
Amber thick line = paint side (exposed face). Grey thin line = back/hidden side.