I'm fixin' to get started on my bathroom ceiling. Here's what I know: Originally plaster over lath, somebody came through and tried to fix cracking with fibermesh tape and probably regular joint compound. Now, there are lots of hairline cracks and many places where the repair is spalling off, most chips are the size of a dime or so. Some of it is puckering. If I run a still knife over it, I can get most of the chips knocked off, but the stuff that remains is pretty sturdy.
I'm hoping there is a recommended fix that doesn't involve tearing it all down or adding another layer of drywall over the mess.
Would any of you advise this: knocking as much off as I can, skimming the rough spots flat with setting-type compound and then going over the whole thing with a drying-type "putty" coat or "skim coat"? When/where should I use mesh?