The 'monument to antonia carolina caselli' or 'caselli brunetti' made in 1813 by giovanni battista frulli and antonio basoli, is located in the third cloister of the certosa in bologna. The monumental cemetery is part of the 'portici di bologna' world heritage site recognised by unesco. Funerary monuments painted in tempera and those made of stucco and scagliola present special challenges for their preservation: restorers assess maintenance, restoration and conservation work on a case-by-case basis, also considering the preservation of artistic legibility. One of the typical problems of the ancient monuments in the third cloister is 'rising damp', which causes the plaster to swell and detach, in particular relation with the issues of the microclimate of the certosa di bologna and hygroscopic materials. The most famous and ancient tombs have been restored several times and with different techniques over time. In order to avoid further damage to the fragile paintings and not being able to effectively isolate the monument from the humidity that rises from the ground, the cement mortars used in the past have in most cases been replaced in the lower layer by a 'plinth' of breathable lime mortar, designed to absorb the humidity before it rises.
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