Exaco Royal Victorian Hinged DoorExaco Royal Victorian Hinged Door The door comes with it is own outer frame which sits low to the ground and provides a "low threshold" opening. These doors offer numerous advantages over standard sliding options, providing a seamless solution for moving items in and out of your Janssens Victorian greenhouse. Features Hinged doors come with their own outer frame Fold into the greenhouse frame Low threshold (you must cut the foundation frame for