The drying and curing time for tile grout can vary depending on several factors, including the type of grout, temperature, humidity, and the size and spacing of the grout lines. However, I can provide you with some general guidelines:
Drying Time: The initial drying time for tile grout is usually around 24 to 48 hours. During this period, the grout will harden and become firm to the touch. It's important to avoid any foot traffic or moisture exposure during this time.
Curing Time: The full curing time for tile grout is longer than the drying time. It typically takes about 3 to 7 days for the grout to fully cure and reach its maximum strength. However, it's important to note that curing time can vary depending on the specific grout product used, so it's always best to consult the manufacturer's instructions for accurate information.
It's worth mentioning that higher temperatures and lower humidity levels can accelerate the drying and curing process, while colder temperatures and higher humidity levels may extend the time required. It's essential to follow the manufacturer's recommendations and take environmental factors into account when estimating the drying and curing time for your specific grout application.