Tab Ordinary Volcanic Block 8 Holes Size 400*200 mm Width 200 mm

A concrete masonry unit (CMU) is one of several precast concrete products that are standard shape/ size and used in building construction. Most concrete blocks have one or more holes/ cavities, and their sides may be cast smooth or with a design. They are colloquially known by many names like “concrete block”, “CMU”, or simply “block”.