Plaster Patching: Part I by Walter Jowers Just about all old buildings have some bad plaster. If the place hasn't been renovated recently, there are probably bulges in the ceiling from old water leaks, or some basketballsized holes caused by uneven settling over doors and windows. If the place is under renovation, chances are that either electricians or plumbers (on purpose) or attic insulators (accidentally) will have knocked a few fist- or foot-sized holes in the plaster. Fixing holes in plaster walls can be a problem. Unless you're working in one of about four big cities, you won't have easy access to the plastering trade. And even if you know a good plasterer, it's hard to get him interested in a small
