Abstract: An arrangement for mounting panel assemblies on a building body including a primary fastener fixedly secured to the building body, a secondary fastener connected with the primary fastener in such a manner that its position may be adjusted in a direction perpendicular to the building body, a height adjusting plate fixedly secured to the secondary fastener in such a manner that its vertical position may be adjusted, and mounting brackets fixedly secured to rear surfaces of the panel assemblies, wherein the mounting brackets and the secondary fastener are interconnected so that the mounting brackets are allowed to abut against the height adjusting plate, and wherein the mounting brackets are allowed to abut against the secondary fastener.