The decorations visible on the walls of the rooms were made on fresh or semi-fresh plaster with colors diluted with white lime and mineral pigments. The drawing, which was made on the fresh plaster with the point on cardboard technique, could be detected by the traces of which were impressed on the surface of the plaster.
Even if concealed by the whitewash, traces of a drawing were visible on some of the window frames on the main facade. The pictorial surface already visible presented a consistent deposit of dirt and black smoke that had hidden the chromatics. Part of the decorated plasters above the doors presented evident detachments from the underlying masonry, with effects of cracks and presence of “pockets” a few millimeters wide. There were numerous traces of repainting, roughly executed during a previous restoration.