Some foundations have been constructed of concrete blocks, and many making codes essential the use of masonry in hearth partitions. Concrete masonry units (CMUs) or blocks in a basement wall before burial Blocks of cinder concrete (cinder blocks or breezeblocks), ordinary concrete (concrete blocks), or hollow tile are generically known https://www.citygratis.com/usa/7-services/235122-west-hills-masonry.html