The Finished Gypsum Due to Significant Shrinkage is not Sitable for Filling Volumes of 3 Millimeters, it is applied in the Very Driver of Wet Work, to Hide the Smallest Defects. Each NEXT Layer of Gypsum CanLy Be Applied after Complete Hardening and Drying the Previous. Any Gypsum CanLy Be Applied to a Pre -PrePARED SURFACE, Otherwise Its Possible to Exfoliate it. The Surface SHOULD Be Cleaned in Advance of the Fragile Areas of Plaster, Old WHITEWSHINGASHING OR WALLPAPER, and Well.