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Bay Of Naples
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Examples of Treatment

Interior Scene – Francesco Vinea 1883

Painting before Restoration Painting after Restoration

Painting before Restoration

Painting after Restoration

This painting’s only problem was that it was covered by an extremely discolored varnish. Varnishes are traditionally applied to finished paintings to provide for an even saturated surface as well as a provide a protection for the paintfilm. Traditional varnishes were made from natural resins such as Dammar and Mastic and their slightly yellow hue provided a sense of warmth to the painting. Unfortunately, with time these resins darken considerably and turn opaque. Within the past 50 years many new synthetic reins have been introduced which are being used as picture varnishes. Although the new varnishes offer the great advantages of little discoloration and easy removability, they can fail to provide the warm saturation and pleasing appearance of Dammar or Mastic.

Treatment

  1. Remove discolored varnish from paint
  2. Apply new varnish to saturate colors

Painting during Restoration

Varnish Removal

Removing varnish from a painting is a delicate proceedure. Organic solvents are employed and testing must be done to determine the proper solvents to be used. Often several different solvents or solvent mixtures will be used on a particular painting because of the the different sensitivities of different colors. Usually it is desirable to leave a little old varnish on the painting to assure that the original paintfilm is left intact.
Painting with part of the varnish removed in the upper right and lower left quadrants