The present invention can be repaired by a simple fit-type fastening around the outer periphery of the window frame in which leaks are damaged due to prolonged use of the gap finish material such as silicone, the outer edge of the window frame that can provide a clean appearance and reduce the economic cost It relates to a repair unit for repairing a leaked part generated around the periphery and a repair method using the repair unit, Based on the width of the window frame, the concrete wall surface is divided into the same base type 10 and the wide expansion type 20 of the concrete wall surface, the base type 10 is formed on the window frame frame 30 or concrete wall surface 40 Insertion portion 11 is formed to be inserted into the cut groove 50, it is formed in an oblique direction to block the penetration of water, the lower side of the insertion portion 11 window frame frame 30 and concrete wall surface The fitting fixing part 12 to be fitted in the gap 60 which the 40 is in contact with each other is formed in an oblique direction so that the fitting fixing part 12 is formed to be in a rigid fitting state by elastic force, and at one side of the fitting fixing part 12 While the water blocking unit 14 is formed to block the inflow into the gap 60, the expansion type 20 is formed in the cutout 50 formed in the window frame 30 or the concrete wall 40. Insertion portion 21 is shaped to be inserted It is formed, but is formed in an oblique direction to block the penetration of moisture, the fixing portion to be fitted in the gap (60) that the window frame frame 30 and the concrete wall surface 40 abuts on the lower side of the insertion portion (21). The upper surface 41 of the concrete wall surface extended compared to the window frame frame 30 in the symmetrical direction of the fitting fixing portion 22 so as to be formed in a diagonal direction so as to be firmly fixed by the elastic force. The cover portion 25 is formed to be covered.
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