Abstract: Assembly line production plant and process for producing prefab panels. Assembly line production plant includes a plurality of individual assembly frames selectively openable and closable for assembling individual prefab panels, an opening station structured and arranged for opening the individual assembly frames, and first assembling and mounting station for assembling a first wall side of the panel. Assembly line production plant includes reinforcing iron station for supplying a reinforcing iron arrangement for the panel, second assembling and mounting station for assembling a second wall side, closing station structured and arranged for closing the individual assembly frames, filling station for filling a space between the first and second wall sides with cement mortar, maturing station for maturing the cement mortar, and plurality of individual trailers structured and arranged to transport the plurality of individual assembly frames. Each individual assembly frame is mountable to an individual trailer.

Abstract: Prefab panel for assembling a double layer wall of a building, with structural support function and thermal insulation. The panel includes at least one element of brick material having an exposed surface, a connection surface, a narrow side with a protrusion, and an opposite narrow side with a recess. Panel also includes an intermediate layer composed of cement mortar, and at least one element of insulating material with a connection surface, an exposed surface, a narrow side with a protrusion, and an opposite narrow side with a recess.