National Concrete Masonry Association (NCMA) Presentation Posted on December 12, 2019December 12, 2019 by Julia Chappell “For an architect, the composition of the aggregates means a lot. The ratio and how it’s going to look at a distance, how it’s going to look closeup. Once we pick a [concrete masonry] product we try to stick by it, and we try to be an ally.” A leading architect on the best way to attract architects