Q. I would like to seal our marble bathroom floor, but I am unable to clean the grout. We installed marble (10-by-10) tiles in our bathroom. The installer used white grout (we mistakenly chose the ...

The granite countertops in my kitchen seem to be moving away from the wall, or at least they are moving around a bit. The attached picture shows the results. The house isn’t even a year old yet. Is ...

Q. The grout line between my kitchen granite countertop and the tile backsplash has cracked for the umpteenth time. Each winter, the crack appears, and, each year, I grout it again hoping it will be ...