Q:We are getting ready to repaint our home office. The walls and ceiling were cracked during the 1989 quake and poorly patched before we moved in. We had the roof redone this summer, and the banging ...

I am skim coating (lightweight joint compound over plaster) for the first time. I’m using a 6†taping knife and things are working out OK. However, this is a pre-war building and there is a curved ...