Cinder Blocks Concrete, Cement amp; Masonry The Home
2 in. x 8 in. x 16 in. Concrete Cap Block This 2 in. x 8 in. x 16 in. concrete block This 2 in. x 8 in. x 16 in. concrete block meets ASTM C90 standard for use in above grade masonry walls. These blocks are often used to cap an 8 in. concrete block wall. These slabs can also be used as stepping stones in light duty pedestrian applications.