Q: I put a new Carrera marble tile backsplash in my son’s home two years ago. The grout is secure, but touch it and it comes off like salt particles. Even without touching it, it is all over the ...

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 ...

Q: I put a new Carrera marble tile backsplash in my son's home two years ago. The grout is secure but it flakes like salt. If touched, it comes off like salt particles and even if you don't touch it, ...

A. From the behavior of that grout, I think you used sanded grout and just plumped it in willy-nilly, so it started to deteriorate from day one. Also, if you used a small trowel, you might have worked ...