How To Plaster A Big Hole In The Wall. Once the first coat of plaster is dry, give it a light hand sand and dust the surface clean with a rag. Apply a second coat of plaster to the hole in the wall.
Make a hole in the middle with fill the hole with multipurpose filler (small holes) or patching plaster (big holes).
You will only need a. In this instructable, i will explain how to repair a hole in the wall in a cheap and easy way. When mixing the plaster, be sure to wear safety goggles and a dust mask. First, apply a thin layer of plaster or joint compound and then apply the tape.