Core terms · definition
The stage where plumbing, electrical, and HVAC lines are run inside open walls and floors before insulation and drywall. Rough-in must pass inspection before walls are closed.
Source: Fieldwire by Hilti — Rough-In
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.