Heavy-Duty Angle Mount Track
![comm_door_upgrade_angle_mount_track comm_door_upgrade_angle_mount_track](/wp-content/uploads/2020/03/comm_door_upgrade_angle_mount_track.jpg)
Standard on large doors. Optional on small doors.
Heavy-Duty Double End Hinge
![comm_door_upgrade_double_end_hinge comm_door_upgrade_double_end_hinge](/wp-content/uploads/2020/03/comm_door_upgrade_double_end_hinge.jpg)
Standard on large doors. Optional on small doors.
Heavy-Duty 3″ Track
![comm_door_upgrade_3in_track comm_door_upgrade_3in_track](/wp-content/uploads/2020/03/comm_door_upgrade_3in_track.jpg)
Standard on large doors. Optional on small doors.
Keyed Lock
![comm_door_upgrade_keyed_lock comm_door_upgrade_keyed_lock](/wp-content/uploads/2020/03/comm_door_upgrade_keyed_lock.jpg)
Exhaust Port
![comm_door_upgrade_exhaust_port comm_door_upgrade_exhaust_port](/wp-content/uploads/2020/03/comm_door_upgrade_exhaust_port.jpg)