You can get a Flat Surface Only If You Observology of Applying Plaster. IS Necessary to Start with Thorough Preparation, During Which The Removal of Old Facing Materials Is Performed. Next, The Surface Verticality Is Checked. To do this, uce the plumb line. After that, in the store it is worth buying a Finished mixture. This Will Greatly Facilitate Further Work, SincE The Preparation of this Composition Takes a Minimum Amount of Time.