Unformatted text preview: Do not start touch ups before 4 weeks, give fresco that long to dry. • Use casein, apply by means of hatching. • Try Wax ammonia—mix thick, like soft cheese with very little water—mix with powdered color by rubbing two together with an old round brush and stiple on. • Use zinc white for white. • To remove whitewash over a painting—hammer covered with leather, or a wooden hammer—go carefully only for a short time in a given area. Spatula like instruments also help to lift off limewash coat of strong casein, which also helps to lift off limewash....
View Full Document
- Fall '10
- plaster, Whitewash, touch ups