Wicket Doors provide a convenient personnel access if no other side door is available. These doors can be retrofitted in most cases. An electric interlock is required on electrically operated shutters to prevent the shutter being opened with the Wicket Door locked in position. Please consult your local authority if you are considering using one as a fire exit.
The benefits of a wicket door in a Sectional Door (compared to a Roller Shutter) is that it goes up with the main door when it is opened