According to ANSI and MIA standards, depending on the type and size of tile, it is recommended to have at least a 1/8 in wide grout joint for floor tiles in order to be able to fill the grout joint full and never less than 1/16 in wide. Please refer to TCNA guidelines for more on grout recommendations
For the best results, use a clean soft cloth to wash stone surfaces with a few drops of neutral cleaner or a mild liquid dishwashing detergent and warm water. Use coasters particularly those containing alcohol or citrus juices. Use trivets or mats to protect against heat. Do not use abrasive utensils or tools. Routine cleaners should never contain harsh chemicals as these can damage stone
