Knauf EASY - Finish is a pre mixed gypsum based, white finish compound designed for use as a skimming compound on most interior construction surfaces such as gypsum boards, sand/cement render & cement fibre boards. EASY - Finish is designed for internal use only and is intended to provide a perfectly smooth and level surface ready for the final decoration or wall finishing. Field of Application: EASY - Finish is designed for internal use only and is intended to provide a perfectly smooth and level surface ready for the final decoration or wall finishing.