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Removal of overpaint

Much of the damage that can be found today on ancient paintings is due to the widespread use in the Eighteenth and Nineteenth Centuries of caustic alkalis (caustic soda, caustic potash) or other substances …

Overpainting and skinning

Much of the damage that can be found on the paintings today is the result of ancient cleaning operations. Between the Sixteenth and Eighteenth Centuries no distinction was made on the type …

Support deformations

The dimensional stability of the support is of fundamental importance for the preservation of the overlapping layers of color and ground preparation; it is linked to deformations …

Damage to canvas supports

The sensitivity of the canvas fabric to variations in humidity causes loosening, traction and uneven tension. A constant control of the painting over time (and above all relative humidity) …

Biological damage

Biological damage, attacks by biotic agents, ie living organisms, which in paintings on a wooden or canvas support appear as fungi (molds), bacteria and insects.

Damage to wood supports

The most serious damages found on painted wood tablets are always to be attributed to the direct or indirect action of the wooden support. The layers of preparation and color, while being strictly …