Fixing Hole In Plaster Roof

How to repair holes in plaster walls.
Fixing hole in plaster roof. When you hit lath stop the bit won t go through wood pull out the bit and drill another hole about 3 inches from the first and about 2 inches from the crack. Using a 3 16 inch masonry bit drill a hole in the plaster about 2 inches from the crack. Using a nail score the plaster. 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.
Try to hit a strip of lath with every hole you drill. 3 dampen the patch. Fill the hole with plaster compound and sand the surrounding paint to roughen it up. Now reinforce the hole with pieces of jointing tape cover the tape with a bit more compound and leave it to dry.
Previous step next step. 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. When it has dried a little score the plaster with a nail as shown at. 2 fill the crack half full with patching plaster.
Small screw and nail holes are easy to take care of but even larger holes don t require much.