Replacing Damaged Cornice

Use drill to screw plasterboard screws up through cornice into ceiling so cement oozes out of crack.

Replacing damaged cornice.

Autoplay when autoplay is enabled a suggested video will automatically play next. The evaluation will help determine whether the cornice can be patched or repaired in places or if sections or the entire cornice need replacement. Mix cornice cement in bucket to form a paste. The present guide will teach you how to repair any broken plaster cornice that you may have in your house.

First use a small chisel to carefully chip away the edges of the crack resulting in a more even surface and then sand away any lumps so that the area is smooth. Original cornice may have become damaged over the years or you may find cracks that have been covered with paint once you ve stripped it back. Use scraper to fill gap between cornice and ceiling with cornice cement. Take the scissors and cut the styrofoam in approximately the same size as the missing cornice part.

Remove excess cement with scraper and use to fill screw heads. Metal cornices should be checked for rust corrosion deflection and wood cornices should be similarly inspected for rotting cracking and splitting.