Concrete curing is the process of maintaining adequate moisture, temperature, and time to allow the concrete to achieve its desired strength and durability. Proper curing helps prevent issues like cracking and surface scaling, which can occur if the concrete dries too quickly. Typically, curing begins immediately after the concrete is placed and finished. Methods include covering the surface with wet burlap, applying curing compounds, or using water sprays. The curing period usually lasts for at least seven days, depending on the concrete mix and environmental conditions, ensuring optimal performance and longevity of the structure.