Monitoring the deformation of an historic painting on a wooden panel (16th century panel painting): effect of the frame, the cradle and microclimate variations
Résumé
Panel paintings are complex structures which have a physical response to variations of relative
humidity sometimes leading to damage. Curators and conservators regularly make condition
reports to describe the evolution of the artworks state over time. To better understand and
describe the causes for deterioration of wooden panels, an experiment was set up in the Fabre
Museum, Montpellier (France) in 2016. An hermetic humidity-controlled display case housed
the painting whilst measurements of the deformation and strains on both sides of the panel
were recorded using a double stereovision device which consisted of four cameras positioned
on the walls of a museums exhibition room. The main objectives of this continuous monitoring
project were to minimize the deterioration of the panel, to elaborate the best possible
conservation treatment, to advise on the design of an auxiliary cradle, and to participate in the
current reflections on climatic regulation in museums to reduce energy consumption.
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