The drying time of mortar is influenced by various factors, including environmental conditions, mortar composition, and application thickness. Warmer temperatures and lower humidity levels expedite the drying process, while cooler temperatures and higher humidity slow it down. Cement-based mortars generally dry faster than lime-based ones. Thicker layers of mortar require more time to dry compared to thinner layers. Typically, the mortar will dry to the touch within 24 to 48 hours, but complete drying and achieving maximum strength can take several weeks. Proper curing is essential for ensuring the durability and longevity of the structure. It is recommended to protect the mortar from rapid evaporation by covering it with a plastic sheet or damp cloth. By understanding these factors and allowing adequate drying and curing time, builders can ensure the successful completion of their construction projects.