Repairing Plaster Ceiling Cornice

The old way of doing this was by using plaster washers which are a larger wash the is screwed through the face of the plaster into the lath to mechanically support the plaster.

Repairing plaster ceiling cornice.

Use paint scraper to remove any loose paint or plaster along crack. The preferred way to resolve this is not by pulling the ceiling down and replacing it with drywall but rather to reattach the plaster ceiling to the supporting lath. Use drill to screw plasterboard screws up through cornice into ceiling so cement oozes out. You will see how with this method it.

Then the rings required for the installation of the cornice are fastened to the beam. Once this is done you can begin filling the cracks with a plaster mixture and paper tape to help with strengthening of the joint. Mix cornice cement in bucket to form a paste. Apply the first coat leave to dry and then paint over with a second coat.

You may like to leave your cornice stripped for a distressed look but if you re planning to paint it use a basic matt emulsion. Start by taking down the lath and plaster going very carefully up to the cornice. Use scraper to fill gap between cornice and ceiling with cornice. Once close to the cornice score the plaster at the front edge of the cornice a few times with a sturdy craft knife often the plaster breaks off cleanly and mostly flush with the cornice.

Visit our website for more diy tips and step by step articles. If you stripped the coving right back to the plaster then you ll need to apply a primer before you begin applying your emulsion. Partially remove the ceiling cover or do the following as described below before installing it. The repair of cracks begins with removing any loose plaster from within the cracks and making sure that any plasterboard is reattached to the walls and ceilings with nail clouts plaster screws or glue.