Unsanded grout, on the other hand, is held together with polymers; it’s used for joints that are narrower than ⅛ inch and on tiles—such as limestone or marble—that might be scratched by ...

Which type of grout is best for marble floors, and which should you use when tiling walls? Learn the differences between sanded and unsanded grout before starting your next DIY project.

Cementitious Grout: Cementitious grout can come sanded or unsanded and has a granular look to it. Choose sanded if you have large spaces between tiles, unsanded if you’re working with thin ...

Sanded grout is easy to spot because you can see the tiny bumps of sand in the texture of the grout. Unsanded grout is very smooth. The time of day to match grout color is midday.

The color of the grout out of the bag before you add water is the color it's going to be once dry. You can prove this by mixing up some new grout and allowing it to dry.