Our program operates under a series of very precise definitions spelled out in the approved Order. They are the basis for our guidelines and are shown here in the following excerpts:
§ 1500.2 Block machine
Block machine means a piece of equipment that utilizes vibration and compaction to form concrete masonry products.
§ 1500.5 Concrete masonry products
Concrete masonry products means a broader class of products, including concrete masonry units as well as hardscape products such as concrete pavers and segmental retaining wall units, manufactured on a block machine using dry-cast concrete.
§ 1500.6 Concrete masonry unit
Concrete masonry unit means a concrete masonry product that is a manmade masonry unit having an actual width of 3 inches or greater and manufactured from dry-cast concrete using a block machine. Such term includes concrete block and related concrete units used in masonry applications.
§ 1500.9 Dry-cast concrete
Dry-cast concrete means a composite material that is composed essentially of aggregates embedded in a binding medium composed of a mixture of cementitious materials (including hydraulic cement, pozzolans, or other cementitious materials) and water of such a consistency to maintain its shape after forming in a block machine
§ 1500.15 Masonry unit
Masonry unit means a noncombustible building product intended to be laid by hand or joined using mortar, grout, surface bonding, post-tensioning or some combination of these methods.
Stay Informed
The Concrete Masonry Checkoff (CMC) is an industry funded initiative to support education, research and promotion of manufactured concrete masonry units in the United States.
