<p>THis Architectural Drawing is AutoCAD 2dd rawing of purlin bridge rod details in AutoCAD, dwg file. A purlin (or historically purline, purloyne, purling, perling) is <strong>a longitudinal, horizontal, structural member in a roof</strong>. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin.</p> <div id="yYpPY8uqMLGPseMP56W30As__80"> <div class="g"> <div data-hveid="CEkQAA" data-ved="2ahUKEwiLs_a7x-v6AhWxR2wGHefSDboQFSgAegQISRAA"> <div class="tF2Cxc"> </div> </div> </div> </div>