Easy to install low in maintenance colorfast low in absorption high strength durable and freeze and thaw-resistant. CEMEX manufactures standard and specialty concrete block ranging in size from 4 to 16 inches. Typical Sizes And Shapes Of Concrete Masonry Units Ncma Concrete Masonry Unit Concrete Block Dimensions Masonry Wall Substitute the numbers in the equation square feet of block length x height 144 for the length and height of the block in inches. . Concrete masonry units CMU are used in virtually every type of building construction. For the past 75 years RCP Block Brick has proudly provided the largest selection of hardscape and masonry supplies to San Diego and. Concrete block is most commonly used in the construction of concrete walls for structures of standard size. Actual Size 3 58 x 7 58 x 7. 4 rows Aggregate concrete blocks are typically available in two standard face sizes length x height. A list of the standard size of CMUs c...