Dear Mimi: Over time, the grout can begin to break down and allow some moisture to pass through it. The grout may still appear to be in good condition, solid and hard, but the moisture still gets ...

Q: Faucets leaked in my son-in-law’s tiled bathtub enclosure, which caused the old greenboard below them to dissolve and a few rows of tiles to come loose. I know it is virtually impossible to match ...