The present design relates to occur easily in the closing kkalgeum the wall opening and closing of the end panels to the end panels retractable wall assembly.
To this end, a plurality of the support frame fixed to the concrete wall; End panels are joined to the supporting frame consisting of a plurality of fixing a deadline for opening and closing the concrete wall; And the support frame and doedoe provided with a sound-proof pad to be interposed between the end panels, and the plate of the fixing part the plane of the end panels includes a bent piece bent toward the front of the plate from the plate upper and lower ends, wherein the opening and closing portion is plate-form surface and further comprising a bent piece bent toward the rear of the plate from the plate upper and lower ends, in which the the bending piece formed on government locking groove and the rotary groove has bending piece formed in the opening and closing portion to be formed respectively, and corresponding thereto the obstacle tile rotary projections provides a closure wall end panels characterized in that the assembly is formed in each of the opening and closing portion of the rotary projections are separate groups obstacle closing panel which is supported hanging in the locking groove opening as the free rotation in the rotation groove.