What is curing?

“The term curing is used in reference to the maintenance of a favorable environment for the continuation of these chemical reactions; that is, the retention of moisture within or supplying moisture to the concrete and protection against extremes of temperature. It is through early curing that the internal structure of the plaster is built up to provide strength and water tightness.” “Curing is typically done by immersing the cementitious coating in water as soon as possible after final set. The hydration of the cementitious compounds will continue underwater.”  “By immersion or “ponding” curing of a swimming pool’s cementitious surface, the hydration process is allowed to proceed without the accelerated loss of moisture from evaporation, wind, and other factors. This “ponding” curing will also greatly reduce the tendency of the surface to develop shrinkage cracking.” National Plasterers Council Technical Bulletin Number 2, January 2010