Core terms · definition
The structural panel layer (plywood or OSB) attached to studs or rafters that braces the frame and provides a base for siding, roofing, or finishes.
Source: InterNACHI — Inspection Glossary: Sheathing
Where this comes up
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.