HINGED DOOR: Hinged Door flanged covers hide drywall openings. Literature pouch is included for dealer information MATERIAL FOR HINGED DOOR: It has drywall depth indicators and the material is 20 Gauge CR STANDARD INSTALLATION: The Hinged door has flush and surface installation and it's mounting tabs provide correct flush-mount position for standard installations AVAILABLE SIZES: 14 inch, 20 inch, 28 inch, and 42 inch enclosures