Abstract
Urban art is a form of artistic visual expression and communication that is created in the street and generally in the public dimension of urban spaces. Often these kinds of artworks are in outdoor environments, and they usually suffer from atmospheric weathering and anthropic vandalism. Recently, several strategies have been used to limit or remove the effects of such vandalism. Currently, the use of quartz paints is growing among artists; such paints after setting are more porous and rough on the surface with respect to regular paints. The aim of the study is to assess the performance of anti-graffiti coatings on quartz artworks paints. Two anti-graffiti products were chosen, and their behaviors were assessed in the laboratory by means of contact angle measurement, water capillary test, colorimetric analysis, and optical and electron microscopy. Results showed good water repellence efficacy of the tested products, demonstrating that they are suitable for the protection of urban art, but at least two applications on the surface are needed to achieve good performance.
Highlights
Urban art was born in XII century in a controversial environment and with a provocative spirit [1]
There has been a significant change in their recognition as a kind of public art that is commonly commissioned for the requalification of urban spaces and that must be preserved over time, which has given rise to scientific research and experiments to determine the best strategies for their conservation and restoration [3–5]
One of the most difficult problems for the conservation of urban art murals is their protection from vandalism actions that can affect and cover both small portions or the complete surface of the murals through “crossatura”, or vandalization [6]
Summary
Urban art was born in XII century in a controversial environment and with a provocative spirit [1]. Anti-graffiti coatings could be a solution to optimize urban art protection, because these treatments hinder the adhesion of the vandalism and its interaction with the underlying surface [7]. Based on ourquparertvziopuasinrtewseaasracshse[s3s,e1d3.], two anti-graffiti products were chosen: PRO-ART, and AG09WB. The evaluation of aesthetic variation caused by the application of the protective coatings was investigated qualitatively by means of a Dinolite AM411-FVW microscope
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