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Chew, M Y, Conejos, S and Law, J S L (2017) Green maintainability design criteria for nanostructured titanium dioxide (TiO2) façade coatings. International Journal of Building Pathology and Adaptation, 35(02), 139–58.

  • Type: Journal Article
  • Keywords: Sustainability; Defect library; Green maintainability indicators; Singapore case studies; Titanium Dioxide (TiO2) coatings;
  • ISBN/ISSN: 2398-4708
  • URL: https://doi.org/10.1108/IJBPA-01-2017-0001
  • Abstract:
    Nanostructured titanium dioxide (TiO2) coatings can potentially address the current surge in façade cleaning cost, maintenance and labour problems. The purpose of this paper is to investigate potential maintainability issues and design challenges concerning the effective performance of TiO2 façade coatings’ hydrophilic properties, especially in tropical environments such as Singapore. This paper aims to establish a list of green maintainability design criteria to help minimise future TiO2 façade coating issues when this coating is applied on commercial buildings with concrete and stonemasonry façade materials. Design/methodology/approach A mixed-mode approach that includes a literature review, site investigation, instrumental case studies and expert interviews is used in this study. Findings TiO2 coatings help improve façade performance whilst offering environmental benefits to society. This study reports that green maintainability design criteria are vital requirements in designing sustainable buildings at the outset. The identified defects and issues will aid in ensuring the effectiveness of TiO2 application in building façades. Originality/value This study acts as a foundation for future researchers to strengthen this little researched area, serves as a useful guide in preventing possible TiO2 coating issues and promotes industry awareness of the use of TiO2 façade coatings.