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Conservation
PAINTINGS

Featured Restoration: Painting example
Artist: Van der Bos
Medium: Oil on canvas
Damage Cause: Water damage from flood

Damage Assessment:
»Major paint loss
»Tears in the canvas
»Previous crude restoration
»Unstable paint layer
»Canvas shrinkage
»Water-logged stretcher
»Mildew in canvas and stretcher

Conservation Treatment:
»Aligned and bridged tears
»Painting lined
»Stretched on new stretcher
»Painting cleaned
»Removed previous restoration
»Compensate surface
»In-paint
»Varnish

 

Problems & Solutions



Problem:  Winter Edition 1.01

Problem:  Winter Edition 1.01

Cupping: As a canvas expands and contracts, the paint layer is forced to crack, forming a network or craqueleur.  This is expected, given the inherent nature of the materials.  Oil paint cures to a rock-hard state, while canvas is and remains hygroscopic.  Over time the cracked paint layer may form concave islands.  The technical term for this condition is cupping.

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