Q: A bucket of premixed urethane grout got my attention at a tile store. The salesman was chanting all the benefits of this new product, but I'm a little skeptical. What's the difference between ...

There are three types of grout: cement-based, urethane-based, and epoxy-based. Several things help to determine which grout to use: tile spacing, UV exposure, and exposure to moisture or food. This ...