Instructions

1. Enter the length of the building. (feet+inches)
2. Enter the width of the building. (feet+inches)
3. Enter the overhang of the eaves. (inches)
4. Enter the overhang of the gable. (inches)
5. the lower pitch length measured from outside wall to the start of the upper pitch (feet+inches)
6. Enter the pitch of the upper roof (rise /12")
7. Enter the pitch of the lower roof. (rise /12")
8. Exposure of wood shingle (inches)
9. Waste factor if required. (percentage)

Results

1. It adds 1 bundle for every 60 lineal feet of perimeter starter course.
2. It adds 1 bundle for every 25 lineal feet of ridge.
3. If you are planning to use pre-made capping for the ridge subtract the amount for ridge from total bundles needed.