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.

You will see how with this method it. Apply the first coat leave to dry and then paint over with a second coat. In this video you will see a cornice which despite various attempts to simply patch over the crack it keeps coming back. Use drill to screw plasterboard screws up through cornice into ceiling so cement oozes out.

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. Mix cornice cement in bucket to form a paste. 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.

Partially remove the ceiling cover or do the following as described below before installing it. Start by taking down the lath and plaster going very carefully up to the 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. In this video i show how i repair damage to plaster coving.

Use scraper to fill gap between cornice and ceiling with cornice. On the base plate of the ceiling you need to fix the bar its length should be equal to the 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.