To avoid rain, snow, strong sunlight or the like at the time when a user enters and leaves by extending the revolving door of a lumber room or the like upward, and providing a roof orthogonal to the revolving door on the upper end.

The upper end of a revolving door 1 set in a lumber room is upward extended up to a higher position than the roof of the lumber room to be made the high revolving door 1. A roof 2 orthogonal or substantially orthogonal to the revolving door 1 is provided by using a strong raw material difficult to deform such as metal and hard plastics on the upper end of the revolving door 1 or in the neighborhood thereof. When the revolving door 1 is opened, the roof 2 is also moved, formed at a high position upward of the entrance of the lumber room, and rain, snow, strong sunlight or the like can be avoided. When the revolving door 1 is closed, the roof 2 is three- dimensionally housed on the roof of the lumber room. The roof 2 of the revolving door 1 can be applied to a mobile simple toilet, an automobile or the like in addition to the lumber room.