Concrete Half Blocks are primarily used for fence walls, site walls foundations and other masonry projects. Concrete Masonry Units provide a cost effective answer to a variety of essential building needs including structural. Concrete block made to industry specifications are a reliable durable material that may be used to construct economical walls and structures. Their smooth texture provides a finished surface that easily accepts full dimensional stone, thin veneer stone, or even stucco. Concrete blocks are the mason's choice for many wall and structural applications.