Fresco Canvas PanelFresco painting, commonly called affresco, is the most labor intensive artistic technique, although the materials are very simple: sand, lime, water, colored earth. The technical process is favored by a series of chemical reactions between the lime and the surrounding air and which allow the colors to penetrate inside until they become insoluble. The SISCA frescoes have been reproduced on 100% cotton, by digital print in France, from very high