Smooth over rough or damaged walls with a skim coat of mu applied with a special squeegee knife. A skim coat, also known as a level-five drywall finish, is a thin coat of diluted joint. Drywallers use this technique to hide an imperfect taping job, to give the wall a plaster-like. May A skim coat is a thin coat of joint compound—also known as mud—that you can use to repair or smooth damaged walls.
You may need a skim. There are lots of different tools you can use to skim coat.
See Jane Drill collaborates with painter Paul Peck! In this video, Paul is our guest instructor, and shows how to. I mix the skim coating mud? I apply a skim coat to my walls or ceilings?