AFTER COMPLETE Surface Cleaning, It is Necessary to Treat The Ceiling with A Primer. In the Pressence of Cracks and Holes, Problem Areas Areas Covered with Acrylic Primer. In the Case of Additional Processing of Defective Section, The Ceiling Shoup Be Sanded. If there a large number of spots on the surface, it is necessary to pant the entire area with one Layer of Matte Paint. After the Primer and Paints Completly Dry, The Ceiling Is Ready for the Finish.