How are exposed-aggregate concrete finishes produced?
There are three ways of obtaining exposed-aggregate finishes on concrete slabs: seeding a select aggregate into the concrete surface, the monolithic technique where a select aggregate, usually gap-graded, is mixed throughout the batch of concrete, and exposing gap-graded aggregates in a special topping course. View Full Answere Question and answer courtesy of Portland Cement Association (PCA). More information is available at: http://www.cement.org/tech/cct_faqs.asp.
