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Study on the application of anti-graffiti systems on natural stones and concrete

  • The goal of this study was to find a correlation between cleaning efficacy of substrates protected with anti-graffiti systems (AGS) and their porosity, surface roughness, and composition as well as usability of the Technical Testing Guideline for Anti-Graffiti Systems (TP-AGS, issued by BASt) for natural stone and brick/clinker masonry. The results showed that the cleaning efficacy mainly depends on the porosity of the substrate and the type of AGS. Also, higher surface roughness contributed to a lower cleaning efficacy. The results showed also that concrete panels and cement joints in masonry represented the worst case. The color change of all substrate materials compared to concrete was mostly within acceptable limits. Gloss changes were significant for a number of substrates. In particular, several of the wax-treated low-porosity substrates exceeded the threshold value of 10. The limit of water vapor permeability of the AGS prescribed in the TP-AGS might be too high for naturalThe goal of this study was to find a correlation between cleaning efficacy of substrates protected with anti-graffiti systems (AGS) and their porosity, surface roughness, and composition as well as usability of the Technical Testing Guideline for Anti-Graffiti Systems (TP-AGS, issued by BASt) for natural stone and brick/clinker masonry. The results showed that the cleaning efficacy mainly depends on the porosity of the substrate and the type of AGS. Also, higher surface roughness contributed to a lower cleaning efficacy. The results showed also that concrete panels and cement joints in masonry represented the worst case. The color change of all substrate materials compared to concrete was mostly within acceptable limits. Gloss changes were significant for a number of substrates. In particular, several of the wax-treated low-porosity substrates exceeded the threshold value of 10. The limit of water vapor permeability of the AGS prescribed in the TP-AGS might be too high for natural stone substrates. In general, the TP-AGS is useful for the determination of the efficiency factor of anti-graffiti agents on various substrates.zeige mehrzeige weniger

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  • Mueller-MalagaHydrophobe2011.pdf
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Metadaten
Autoren/innen:Urs Müller, Katarina Malaga
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Hydrophobe VI - 6th International conference on water repellent treatment of building materials
Jahr der Erstveröffentlichung:2011
Verlag:Aedificatio Publishers
Erste Seite:167
Letzte Seite:180
Freie Schlagwörter:Anti-graffiti; Cleaning efficiency; Concrete; Permanent; Sacrificial; Stones
Veranstaltung:Hydrophobe VI - 6th International conference on water repellent treatment of building materials
Veranstaltungsort:Rome, Italy
Beginndatum der Veranstaltung:12.05.2011
Enddatum der Veranstaltung:13.05.2011
ISBN:978-3-931681-99-9
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein