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Novel High-Performance ETICS Coatings with Cool Pigments Incorporation

Author

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  • António Curado

    (proMetheus, Unidade de Investigação em Materiais, Energia e Ambiente para a Sustentabilidade, Instituto Politécnico de Viana do Castelo, Rua da Escola Industrial e Comercial de Nun’Alvares, 4900-347 Viana do Castelo, Portugal)

  • Ricardo Figueiras

    (Saint-Gobain Portugal SA, Zona Industrial da Taboeira, Esgueira, 3800-055 Aveiro, Portugal)

  • Hélder Gonçalves

    (Saint-Gobain Portugal SA, Zona Industrial da Taboeira, Esgueira, 3800-055 Aveiro, Portugal)

  • Filipe Sambento

    (Saint-Gobain Portugal SA, Zona Industrial da Taboeira, Esgueira, 3800-055 Aveiro, Portugal)

  • Leonel J. R. Nunes

    (proMetheus, Unidade de Investigação em Materiais, Energia e Ambiente para a Sustentabilidade, Instituto Politécnico de Viana do Castelo, Rua da Escola Industrial e Comercial de Nun’Alvares, 4900-347 Viana do Castelo, Portugal)

Abstract

External Thermal Insulation Composite Systems (ETICS) enhance building aesthetics and optimize thermal performance while offering protection against weather, fire, and harmful agents. Key to these capabilities are properties of ETICS rendering. We have applied specialized organic renderings, including modified acrylic resins, additives, and reflective pigments, to mitigate color bleaching and stress cracking induced by high surface temperatures, resulting in improved color stability and water protection. In a practical application at a shopping center in Portugal, we observed reduced coating layer failures, better thermal resistance, and lower maintenance costs over one year. Subsequent research reveals the benefits of Near Infrared Reflective (NIR) pigments and nanocomposites such as titanium dioxide, which increase solar reflectance, enhance resistance to dirt, and promote self-cleaning. Synthetic colored inorganic pigments improve heat stability, thermal inertia, and mechanical resistance. The application of cool pigments also reduces surface temperature by up to 10 °C. These advancements in ETICS technology mark a significant step towards sustainable building practices.

Suggested Citation

  • António Curado & Ricardo Figueiras & Hélder Gonçalves & Filipe Sambento & Leonel J. R. Nunes, 2023. "Novel High-Performance ETICS Coatings with Cool Pigments Incorporation," Sustainability, MDPI, vol. 15(12), pages 1-13, June.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:12:p:9644-:d:1172247
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    References listed on IDEAS

    as
    1. Gonçalves, Márcio & Simões, Nuno & Serra, Catarina & Flores-Colen, Inês, 2020. "A review of the challenges posed by the use of vacuum panels in external insulation finishing systems," Applied Energy, Elsevier, vol. 257(C).
    2. Jacek Michalak, 2021. "External Thermal Insulation Composite Systems (ETICS) from Industry and Academia Perspective," Sustainability, MDPI, vol. 13(24), pages 1-18, December.
    3. Roberto Landolfi & Maurizio Nicolella, 2022. "Durability Assessment of ETICS: Comparative Evaluation of Different Insulating Materials," Sustainability, MDPI, vol. 14(2), pages 1-25, January.
    4. Halawa, Edward & Ghaffarianhoseini, Amirhosein & Ghaffarianhoseini, Ali & Trombley, Jeremy & Hassan, Norhaslina & Baig, Mirza & Yusoff, Safiah Yusmah & Azzam Ismail, Muhammad, 2018. "A review on energy conscious designs of building façades in hot and humid climates: Lessons for (and from) Kuala Lumpur and Darwin," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 2147-2161.
    5. Sebastian Czernik & Marta Marcinek & Bartosz Michałowski & Michał Piasecki & Justyna Tomaszewska & Jacek Michalak, 2020. "Environmental Footprint of Cementitious Adhesives—Components of ETICS," Sustainability, MDPI, vol. 12(21), pages 1-13, October.
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    Cited by:

    1. Jéssica Deise Bersch & Roberta Picanço Casarin & Joana Maia & Angela Borges Masuero & Denise Carpena Coitinho Dal Molin, 2023. "TiO 2 -Based Mortars for Rendering Building Envelopes: A Review of the Surface Finishing for Sustainability," Sustainability, MDPI, vol. 15(24), pages 1-20, December.

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