Core terms · definition
Oriented strand board — an engineered panel of compressed wood strands and resin, commonly used for sheathing and subfloor. Cheaper than plywood but less moisture-tolerant.
Source: APA — The Engineered Wood Association — OSB
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.