aggregate « Back to Glossary Index A material, usually sand or gravel, this is mixed with water and cement to make concrete. Photo from The Cloisters, New York City, New York, 2019. (Walker, 1981) Related Articles: Sheldon Block – Albion, MichiganPreservation DailyArchitecture / Skin / MasonryArchitecture / Skin / RoofArchitecture / Skin / Coating« Back to Glossary Index
