Question: It's so nice to have a plumbing-advice column that we can all read and, hopefully, pick up some great tips along the way, thank you! I recently read one of your articles in which the ...

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.

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, ...