An overview of the efficiency of anti-graffiti products in the context of climate change

Abstract

Especially in urban environments, existing buildings are prone to anthropic hazards, such as unauthorized graffiti. Anti-graffiti products may protect surfaces against unwanted paints by acting as sacrificial, semi-permanent or permanent coatings. In addition, under the current climate change scenario, the preservation of the existing buildings is seeking sustainability and reducing maintenance energy and efforts. Therefore, the present study aims to discuss how anti-graffiti products and their related efficiency may be affected by the changing climate and how their performance and durability can present different scenarios. An overview is reported based on existing literature. Concerning the application of protective coatings on polluted environments, distinct anti-graffiti products can be differently affected by atmospheric pollutants, and the cleaning effectiveness of paints may be harmed. Furthermore, the cleaning and protective efficacy of anti-graffiti products may be affected by ageing, highlighting the importance of practical maintenance. The protective solutions’ choice is also fundamental within sustainable practices, pointing to the relevance of environmentally sustainable and low-invasive removal methods. The environmental and economic impacts of anti-graffiti products are closely related to their number of required cleaning cycles.