Q: Our vintage 1926 bathroom floor is showing its age and some discoloration. I cannot afford a full bathroom renovation. Can tile be applied on top of the old floor? Can the tile be painted? A: Yes, ...

Q: We have an older shower stall and the mixing valve has to be replaced. The valve is installed in an area that’s hard to access, and we need to open up the tile. The present tile can’t be matched.

Spreading cement on top of tile - Philippe Gerber/Getty Images Replacing old tile can take quite a bit of time and money. In addition to paying as much as $4 per square foot to remove old tiles, the ...