The silicone is applied in a thin layer over designated areas of the painting using a rubber roller and mylar. After a 24 hour period the silicone cures and can be carefully peeled away from the surface, providing a perfect reverse of craquelure patterns and brush strokes.
A mixture of pigment, waxes, and resin are made into a soft paste, that can then be applied atop large areas of loss that have already been filled with Modostuc. Once the wax-resin has dried edges of the fill can be carefully cleaned using a scalpel (Pictured Here: Project interns Keara Teeter and Serena Vella)
The silicone mold is placed atop the wax-resin and locally applied heat is used to impart texture. Once the wax-resin has cooled, the silicone mold is peeled away revealing the textured fill beneath. (Pictured Here: Project intern Serena Vella)
Students from a local high school visited the painting to learn about traditional painting practices and the analytical techniques employed by the conservation team. In this image the students decided to "re-enact" the scene depicted in "The Triumph of David."
The Philadelphia article provides an in-depth summary of the project and the progress that the conservation team has made thus far:<br/><a target="_blank" href="http://articles.philly.com/2014-12-26/news/57398481_1_painting-chemistry-layers">Link</a>
History students at Villanova were given access to the Ruspoli Collection, providing them with exciting opportunities for research and thesis studies.(Pictured Here: Villanova Student Alexandra Stump and Dr. Timothy McCall)