The present invention relates to an art panel for a building structure which is a reinforcing art panel for finishing an exterior wall by covering the exterior wall of the building structure. The reinforcing art panel comprises: a latching part bent to be drawn forwardly from the upper part of a surface panel; a wrapping connection unit, which corresponds to the latching part, bent to be drawn forwardly from the lower part of the surface panel; a reinforcing panel combined with the back side of the surface panel butt and butt; and side spacers provided on the end parts of the left and right sides of the rear of the reinforcing panel. The art panel for a building structure is provided to be constructed by being simply inserted and fitted in the interior and exterior walls of the building structure without any special skill even when the spacers are not provided beforehand; to significantly reduce the construction period of the building, thereby reducing construction costs; to increase the smoothness and stiffness of a metal plate material, thereby improve the beauty of the exterior of the building structure while preventing deformation of the building structure; and to maintain thermal insulation, air-tightness and sound insulation.
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