Enter each section as a flat footprint — pitch is applied automatically to calculate actual roof surface. Add sections for different pitches or roof planes.
Total length of all ridge lines and hip edges.
Each penetration requires step or counter flashing. Estimated at ~20 lin ft of flashing per opening.
Asphalt typical: $150–$250/sq. Adjust for steep pitch or complexity.
Steep roofs require additional safety equipment and slow installation.
Typical: $70–$120/sq. Double-layer tear-off runs higher. Disposal fees may be extra.
Each additional layer adds labor and disposal cost.
Includes sheet cost and installation labor. ½" OSB or ⅝" plywood typical.
Pitch multiplier applied per section · Quantities include selected overage · Prices exclude tax and delivery