Full height car doors are suited for freight elevators authorized to carry passengers. Single section full height car doors are used when there is ample overhead height in the hoistway. Single section car doors consist of a single counterweighted panel and can be either manually or power operated.

Required overhead height, measured from the top landing sill to the nearest overhead obstruction, for single section full height car doors equals two times the landing door opening height plus 50 mm (2 in). Single section car doors require a 90mm (3.5 in) car setback.

When there is insufficient overhead height, use a two-section full height car door.