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.

Installing do-it-yourself acrylic shower walls can be easy as long as you select the right acrylic shower set. (Tim Carter) Analysis by Tim Carter I’ve had it with ceramic tile in my shower. It’s hard ...