In general, it is possible to use the same grout for both floor and wall tiles, as long as the chosen grout meets the requirements for both applications. However, it is crucial to consider the factors discussed above to ensure that the grout is suitable for the specific tile material, gap size, color, and finish desired.
Choosing the right grout for tile installations is a critical decision that can impact the longevity and appearance of the project. While it is possible to use the same grout for both floor and wall tiles, careful consideration must be given to factors such as tile material, gap size, color, finish, and location. By evaluating these factors and selecting the appropriate grout, you can ensure a successful and aesthetically pleasing tile installation that will withstand the test of time.