Restoration of works of art, not only reduces the intervention on the object, also covers conservation, ie actions aimed at delaying the deterioration of the matter that makes up.
coated art objects of wood or other material with a very thin gold foil is very old, it was discovered in China over 3000 years ago. The Greeks and Romans also decorated their temples and mansions with gold.
The application of thin (22 carats and a thickness of 1/9000 mm) gold is very delicate, it is a process that needs careful preparation and meticulous gilder. The sheet of fine gold can not be touched with fingers, not even breathe directly on it.
currently exists for gold nonprofessional transfer, a kind of sticker, each gold leaf rests on a thin silk sheet. There is also
false or imitation gold (copper and zinc), faux silver and aluminum. Initially they have the same appearance as the real thing but over time the real does not change its color, and faux finishes rusty.
the water gilding system must prepare the surface with rabbit skin glue mixed with plaster, give two or three layers with sandpaper water. Once the surface is smooth, apply bowl sear, two thin coats better than one thick. With the help of a pillow and knife cutting gilder gold will go to the extent appropriate, get wet the surface with water with a flat brush, called polonaise, which pass several times through the cheek to take static electricity. We will take the gold or silver leaf, we will put on the wet bowl, and if necessary with a fine brush will help to extend the blade. A few hours is burnished with a stone agatha to add shine. After zapon is varnished with lacquer or shellac metals.
mordant gilding system is easier and can be applied on non-rigid surfaces like paper or fabric. First we must seal the surface, you can apply a geso, then the fat tail Mixtion. When the glue is almost dry it is time to apply the leaf, with the help of the polonaise and a fine brush. After a while we can and varnishing-la.^