Important update: in Revit 2024, new visual style called "Textures" was added. This is basically consistent colors style with textures added. With this new visual style there is no need to use methods described in this tutorial. You can just apply the Textures visual style instead.
@@sheiladelarosa_ I don't think so. What I do to simulate grout between tiles is to add lines to the texture. Depending on how accurate you want the tiles to be, this takes some calculations with regards to the raster size of the image.