20130061551 | CAVITY FORMING DEVICE AND METHOD OF CONSTRUCTING A CAVITY WALL - A cavity forming device, also referred to as a cavity forming retaining clip, includes a first face and a second face. The first face and the second face are connected together by a body. The body is elongate and extends along an imaginary longitudinal axis from the first face to the second face. The body separates the first face from the second face by a predetermined distance. The second face is arranged to receive a wall therethrough. In use a backing board for an outer skin is able to be clamped against the cavity forming device. | 03-14-2013 |