Hold Ctrl/Cmd to select multiple brands. Add “Other” only if you need a brand not listed.
Waste (verification)
Suggested waste (model)
Custom waste override (if any)
Suggested values update after you run Calculate on this page.
Customer option — applied to material subtotal on calculate and exports.
Displayed area is already slope-adjusted. The model uses the first pitch only; extra values are recorded for reference. For multiple faces, enter comma-separated areas (e.g. 5374, 968) matching each pitch. Geometry fields are customer-locked. Populate via internal workflow/import.