PURPOSE: A curtain wall using a steel frame surface finishing material made of a stone material and a construction method thereof are provided to prevent a steel frame from becoming corroded due to ionization. CONSTITUTION: A curtain wall using a steel frame surface finishing material made of a stone material comprises a steel frame(100), a window connector(200), a steel frame surface finishing material(300), and a window(400). The steel frame is composed of vertical and horizontal members and is fixed to the outer wall of a building. The window connector connects the window to the steel frame. The steel frame surface finishing material is made of a natural or artificial stone material and surrounds the steel frame.
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