Notebook

Notebook, 1993-

MATERIALS & METHODS - Painting - Fresco

Limitations & Advantages - Painting Procedure - The Wall - Sketches, Cartoons, Transfer - Secco Painting - Brick Walls - New Walls - The Aggregates - The Lime - The Mortar - Making the Lime Putty - Mixing the Mortar - Intonaco - Brown Coat - Plastering the Wall - Rough Cast / Trullisatio - Sand Finish

Pigments - Brushes & Tools - Bianco Sangiovanni

Fresco - The Brown Coat


The brown coat is laid over the rough cast. The total thickness of the two coats combined is usually around one inch. The mortar is made of 1 part lime to 2 1/2 parts of coarse sand. Coarse marble meal may replace some of the sand.

1. The rough cast must be thoroughly wet before the brown coat is applied.

2. The brown coat may be put on in two installments. First, a layer called a skim coat, prepared by diluting the brown coat mortar slightly with water, is applied evenly and thinly. This insures better adhesion and more convenient application of the brown coat to the rough cast.

3. When the skim coat has set slightly, a more substantial amount of the brown coat mortar is applied over it.

4. Finally, the surface is scratched with the comb in all directions to provide a good tooth for the layers that are to follow.

[Kay, Reed. The Painters Guide to Studio Methods and Materials. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1983. p. 178]







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