The principal objective of a door closer is, not surprisingly, to close a door and in the case of unlatched fire doors in a corridor, to keep the doors closed in the event of a fire. No wonder then that the ease with which such a door can be pulled open can be severely compromised by this opposing force. So much so in fact that many users including the elderly, small children and those with various physical disabilities, find the door can become a barrier to them accessing the building and its facilities, or at least it becomes an obstacle to be overcome
