Skim Coat Top Coat spray plasters are cement based water-resistant skim plasters formulated with special chemical additives that provide good workability, improved adhesion and durability. Skim Coat Top Coat assists in correcting surface imperfections and gives a high-quality plaster surface suitable for eaither painting, wallpapering or simply as a finish surface. Ceramic tiles or natural stones can be fixed on a Skim Coat Top Coat finished surface. Skim Coat Top Coat is not recommended to be used on painted or other non-cementitious based substrates.