Lockblock™® is a thin bed jointed interlocking block alternative to the standard mortared concrete block. The self locating connectors make block laying easier and faster with no mortar to be mixed, just shell bed the blocks using ‘SRW Adhesive' to form 2mm joints. Lockblock™® is a faster, stronger alternative to standard masonry.It's typical uses include retaining walls, front fences privacy walls, dividing walls and landscaping walls.