Learn the differences between unsanded and sanded grout to choose the best product for your tiling project.

If it has a rough texture similar to medium-grit sandpaper, you have sanded floor grout. Mix some new grout, about a cupful, to a consistency that matches thick mashed potatoes.

The lines of grout between the tiles in your shower, bathroom walls and floor tiles can get grungy and gray after a while. Here's how to clean and seal it.