Purlin - Wikipedia
https://en.wikipedia.org/wiki/Purlin
WebA purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin. …
DA: 45 PA: 18 MOZ Rank: 80