Exterior · definition
Composite/PVC boards expand and contract with temperature more than wood; gapping and fastening must follow the maker's spec or boards buckle.
Source: Decks.com — 3 Ways to Fasten Composite Deck Boards
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.