You will need to cut or score the hole at a point away from the hole where the ceiling is stable. 1 Repair the hole in the wall with plaster Use the handle of your putty knife to tap the edges of your hole down. Patching Drywall Holes How To Hole Diy How To Diy Howtobuildit Org How To Patch Drywall Patch Hole Fix Hole In Wall Sheetrock comes in various thicknesses. How to fix hole in ceiling plaster . Spread a layer of putty across the hole and push it into the hole using a putty knife and smoothing it out as much as possible around the edges. Step by step tutorial on how to repair a hole in the ceiling. Put on safety goggles and a dust mask. Unless you can vacuum out all this debris from above reattachment is probably not. Step By Step. Cut completely around the hole and gently pull down the plaster around the hole. Be aware of the thickness of your plaster ceiling when choosing sheetrock. Cut Ceiling Back To Nearest Ceiling Joist. Apply the first coat of plaster...