The article focuses on investigating the medium-term effects of nanolime consolidants on fresco paint layers with a lack of cohesion. The study compares the impact of three consolidants on the surface morphology and colour of treated replicas.
Results show that after three years, the nanolime-treated areas appear visually lighter but maintain stability, indicating a low to medium risk of aesthetic incompatibility. Nanolime particles contribute to the re-cohesion of paint layers, with observations suggesting partial carbonation of the particles over time. However, the complete carbonation process and the optimal particle diffusion depth for maximal strengthening remain areas of interest for further research.
The study highlights the importance of understanding the long-term effects of treatment on paint surfaces to aid conservators and restorers in making informed decisions. By assessing the impact of nanolime consolidants on fresco paint layers, the research aims to contribute to a better understanding of the preservation and restoration of artworks affected by a lack of cohesion.
The findings underscore the need for continued investigation into the mechanisms and outcomes of using nanolime consolidants in conservation practices, emphasising the significance of compatibility assessments in ensuring the effectiveness and longevity of treatment methods.