As porous material, grout acts like a sponge and soaks up everything: dirt, grease, mildew, soap scum, even hard water. “That’s why grout tends to look discolored long before the tiles do,” says ...

If your grout game is sloppy, you might need to scrap your tile work and start your project over. Here’s how to get it right the first time.

As porous material, grout acts like a sponge and soaks up everything: dirt, grease, mildew, soap scum, even hard water. “That’s why grout tends to look discolored long before the tiles do,” says ...