Moisture properties in cement and concrete refer to how these materials interact with water in various forms, from liquid absorption and vapor transmission to chemical reactions with water components. These interactions are crucial for determining the curing, durability, and overall performance of concrete structures, particularly in severe environmental conditions such as high humidity, rain, and submersion in water. Proper understanding and management of moisture properties are essential for preventing degradation such as cracking, spalling, and other moisture-related failures.