GlossaryCollar beam February 26, 2024 Nominal 1- or 2-inch-thick members connecting opposite roof rafters. They serve to stiffen the roof structure. beam, collar
GlossaryCollar February 26, 2024 Preformed flange placed over a vent pipe to seal the roofing above the vent pipe opening. Also called a vent collar
Glossarycollarino May 1, 2013 1.A necking, as on a classic Tuscan, Doric, or Ionic capital; also called a collar, 4. 2. An astragal. astragal, collar, necking