This topic includes information related to design and construction with concrete form masonry units. Concrete form masonry units are stackable units that have finished masonry on both sides, held in place by connectors. On an interior side of the finished masonry is an integral air space for water drainage, defined by a layer of rigid insulation. The single units are dry or mortar stacked in place, reinforced and then concrete is pumped into the proper voids. Upon cure, the concrete form masonry unit wall is extremely durable and energy efficient.