These additives include water soluble polymers such as polyacrylic acid, polyvinylpyrrolidone, GAF Copolymer 845, polyethylene oxide, water soluble starches, e.g. Staylok??? 500 and water dispersible and water suspendible clays, e.g. Laponite??? RDS, and inorganic sols as long as these additives comprise less than about 40% of the topcoat solids.