All About Tile Grout. Tile makes a striking design statement on floors, on kitchen backsplashes, and in bathrooms. Tile grout is an essential part of a tile installation. Learn the tips and tricks for using grout to give your tile job a finished, professional look.ll About Tile Grout. Tile makes a striking design statement on floors, on kitchen backsplashes, and in bathrooms. Tile grout is an essential part of a tile installation. Learn the tips and tricks for using grout to give your tile job a finished, professional look.