Always mix powder to water and not water to powder, and powder should be thoroughly mixed with water and should be free from limps and foreign material before use.
Normal consistency or water plaster ratio of the plaster should be 0.65-0.70 I e for 1000grams of powder 650-700 grams of water, is recommend for better performance.
Do not add water to delay the setting time, after the initial setting time is completed, as the material will loose its bonding properties and strength.
For top coat after applying of Gypsum vermiculite plaster, a thin coat of same material should be prepared, in paste form and should be applied by using putty blade to provide a smooth finish, do not apply water brush on the finished surface
After complete drying (, which depends on the thickness of the plaster applied), usually 3-4 Days, The surface can be painted with any water soluble paint, such as emulsion paint, except cement paint.