A repair device for sealing a hole in a wall and enabling its repair without the need for numerous tools and processes, the device comprising; a body portion having at least two plate members each having a front face and a rear face; at least one hinging means hingedly connecting the at least two plate members to each other; a biasing means engaging the at least two plate members to bias the plates apart into an open flat position such that the relative front faces of each of the at least two plate members substantially share the same plane; and at least one attachment means mounted on a front face of the at least two plate members; wherein the repair device allows for insertion into the hole in a folded position and release to the open flat position and the attachment means provide attachment to the wall adjacent the hole.