A former owner had wallpapered the ceiling of my bathroom. I’ve scraped it off but in places, the plaster has come off all the way down to the cement. To patch it, should I use joint compound or ...

Q: The walls of our 1938 San Francisco home are lath and plaster, with a canvas-like fabric ... and cover that with a quick-drying joint compound such as Durabond 90. Finish the taping with ...