Its sky-lit master bath features a veined marble surround enhancing the two-person Jacuzzi corner tub and the separate glass-enclosed shower. A diamond-pattern marble half-wall stands above ...

Q: I have a bathtub and shower combination, and the walls need some work. The house is old, and the shower walls are made of some type of fiber sheets that are warped and need to be replaced.

Bathtubs used to be simple things. They were attached to the wall. There was a shower head at one end. You pulled a curtain to keep water from going where it wasn’t supposed to. But like many ...