Wall block to the walls of the mortar joints free walls for this purpose, as well as wall anchor

摘要

Wall block to the walls of the mortar joints free walls or the like, having top and knob-like projections provided on the underside, the shape of the upper projections adapted depressions, wherein the surface - and / or on the underside at least one of a side edge to a depression leading groove for receiving a wall anchor is provided.