Roof Estimator

Flat roofing system

Shingle style (material type) Preferred brands (select 1–4) Hold Ctrl/Cmd to select multiple brands. Add “Other” only if you need a brand not listed.

Manufacturer name (custom)

Waste (verification)

Suggested waste (model)	—
Custom waste override (if any)	—

Suggested values update after you run Calculate on this page.

Custom waste override (%) — optional

Roof Complexity Roof Type

Total roof area (sq ft) — slope-adjusted, system managed

Pitched section area (sq ft) — slope-adjusted, system managed Flat section area (sq ft) — slope-adjusted, system managed

Roof pitch (rise / 12" run) — comma-separated for multiple faces Displayed area is already slope-adjusted. The model uses the first pitch only; extra values are recorded for reference and shown in results—not multiplied again. Ridge Length (LF) — system managed Hip Length (LF) — system managed Valley Length (LF) — system managed Eave Length (LF) — system managed Rake Length (LF) — system managed Flashing Length (LF) — editable for testing Job site address — optional (prints on PDF / Word) Pricing margin (%) — optional Geometry fields are customer-locked. Populate via internal workflow/import.