Door including gap filling unit for sealing

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The present invention relates to a door including a gap filling unit for sealing. The door (10) including a gap filling unit for sealing comprises : a glass door part (11); a door frame (12); a rotation hinge shaft (13); a first gap filling member cover (14); a first gap filling member (15); a second gap filling member (16); and an elastic member (17). The gap filling unit allows one lateral surface of the first gap filling member (15) to be inserted into a glass window of a glass door part (11) and has a structure where the second gap filling member (16) can be moved in an interior space of the first gap filing member (15). Accordingly, the first gap filling member (15) has a slope forming end (15a) formed on a lower interior thereof, the slope forming end (15a) formed as a diagonal protrusion slanted from the bottom such that the second gap filling member (16) is slid along the diagonal protrusion without a pushing force to protrude outward from the first gap filling member (15). As such, a space between the door frame and the glass door part becomes in close contact with the gap filling member including mohair, thereby improving airtightness. The gap filling members are inserted into or are attached to the glass door part to be coupled in order to form the gap filling unit. According to the present invention, a part of a human body is prevented from being trapped in the space between the door frame and the glass door part, thereby preventing or minimizing an accident. Moreover, the present invention prevents or minimizes energy from being wasted by leaking through the space between the glass door part and the door frame.