Exterior · definition
Metal flashing at roof eaves and rakes that directs water into the gutter and keeps it off the fascia and sheathing.
Source: InterNACHI — Mastering Roof Inspections: Flashing, Part 6 (Drip Edge)
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.