AAC blocks are usually uniform in dimensions and don’t feature rugged or rough edges that need to be trimmed It's 3 inches thich with slender rebar via it which is supported on joists 18 inches aside. I selected it because it was rather easy to lay and doesn't require protection https://rowanimjqh.thezenweb.com/5-tips-about-aac-bricks-plant-cost-you-can-use-today-66116693