Smooth over rough or damaged walls with a skim coat of mu applied with a special squeegee knife. The skim – coat approach, which involves the application of a single, eighth-inch- thick layer of plaster over the entire wall or ceiling surface, is a compromise. Mar Skim – coating is the technique of applying thin layers of gypsum-based joint compound over the entire surface. The layers are so thin that even.
A thin layer added to a plaster wall removes bumps and. The rationale for the skim coat is that it leaves a nicer high. A versatile final coat plaster for a wide range of backgrounds – undercoat plasters, plasterboards and sand and cement.
Provides for a smooth skimmed coating. How to plaster the skim or top coat layer of plaster. Be careful with any areas where the wallpaper pulled up the outer layer of drywall and exposed.