The Treatment of Oil Paintings on Paper Supports Considerations on the Treatment Applications Used from the Past until the Present

From the past until the present, oil paintings on paper supports have usually been treated in the same way as oil paintings on canvas, mainly by painting conservators. During the last few decades, with the development of the specializations in the conservation profession, the treatment of this type of work became a grey area between paper and painting conservators. However, a combination of paper and painting conservation disciplines is regarded as essential for their treatment, since the layers overlaying the paper support correspond to those of oil painting on canvas, present similar problems and require analogous interventions.

The fact that oil paintings are biaxially heterogeneous laminar structures results in a dynamic interaction between the painting layers and the support, having as a consequence optical, chemical, and mechanical alterations caused by the conservation treatments applied. Thus, any conservation approach raises a lot of issues.

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