Fixing Hole In Plaster Roof
2 fill the crack half full with patching plaster.
Fixing hole in plaster roof. Using a 3 16 inch masonry bit drill a hole in the plaster about 2 inches from the crack. Remove any loose plaster or debris from the edge of the hole using a drywall screen or small piece of medium grit sandpaper then use a damp rag to wipe away any dust. Small screw and nail holes are easy to take care of but even larger holes don t require much. How to repair holes in plaster walls.
Previous step next step. Fill the hole with plaster compound and sand the surrounding paint to roughen it up. When it has dried a little score the plaster with a nail as shown at. Apply a second coat of plaster to the hole in the wall.
Although plaster is a sturdy and inexpensive way to build a wall it will still wear out over time. Try to hit a strip of lath with every hole you drill. Removal of existing air conditioning cover ducting and putting an off cut of plaster sheet up above the hole then troweling up with csr cornice cement. 3 dampen the patch.
Now reinforce the hole with pieces of jointing tape cover the tape with a bit more compound and leave it to dry.