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How do paper conservators repair tears and missing areas in paper artworks?

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Inside the ongoing preservation of the Vatican — Art conservation and restoration Learn about the restoration of tiles in St. Peter's Basilica, Vatican City.

To repair mechanical damages such as tears, thinning, or missing areas in paper artworks, conservators employ several specialized techniques and materials to ensure structural integrity while maintaining the work's aesthetic value.1

Repair Techniques

Reinforcements and Inserts: Conservators address tears and losses by applying reinforcements or inserting new pieces of paper into the damaged areas.1
Pulp Application: For areas of loss, paper pulp can be used to fill the void, effectively reintegrating the missing section.1
Backing Support: To provide overall stability, conservators may adhere a new paper or backing sheet to the reverse side of the original artwork.1

Materials Used

The materials selected for these repairs are chosen for their stability and compatibility with the original artwork. Common choices include:
* Japanese Tissues: Often used for their strength and long-term stability.1
* Pure Paper Pulps and Archival Papers: Used for filling losses or providing structural support.1
* Stable Antique Papers: Sometimes utilized to match the characteristics of the original support.1
* Adhesives: These materials are typically applied using wheat- or rice-starch pastes, which are preferred for their archival quality and reversibility.1