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Long-Term Performance of Thermal Insulating Composite Systems Based on Water Resistance and Surface Multifunctionality

2025-09Artigo científico Acesso aberto
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dc.contributor.authorBorsoi, Giovanni
dc.contributor.authorParracha, João L.
dc.contributor.authorBersch, Jéssica D.
dc.contributor.authorGarcia, Ana R.
dc.contributor.authorDionísio, Amélia
dc.contributor.authorFaria, Paulina
dc.contributor.authorVeiga, Rosário
dc.contributor.authorFlores-Colen, Inês
dc.contributor.institutionCERIS - Polo NOVA
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2026-03-10T10:33:02Z
dc.date.available2026-03-10T10:33:02Z
dc.date.issued2025-09
dc.descriptionPublisher Copyright: © 2025 by the authors. Licensee MDPI, Basel, Switzerland.
dc.description.abstractExternal Thermal Insulation Composite Systems (ETICSs) are increasingly applied in both new construction and energy retrofitting, where long-term durability under environmental exposure is critical to preserving thermal efficiency. Moisture ingress represents a key degradation factor, reducing insulation performance and undermining energy savings promoted by the ETICS. The effectiveness of these systems is strongly influenced by surface protection, which also reflects aesthetic and biological resistance. This study investigates the influence of three commercial protective surface coatings, characterized by hydrophobicity, photocatalytic activity, and resistance to biological growth, on ETICS finishes based on acrylic, natural hydraulic lime (NHL), and silicate binders. An artificial aging protocol was employed to evaluate coating stability and compatibility with the finishing layers. Results show that acrylic-based finishes provided superior durability and protection, while coatings on NHL and silicate substrates exhibited lower performance. Notably, a TiO2 enriched photocatalytic coating, despite improved self-cleaning potential, demonstrated the least durability. The findings highlight that optimal ETICS protection requires coatings that combine low water absorption, effective drying, and biological resistance, thereby ensuring sustained thermal and energy performance over time.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent2126395
dc.identifier.doi10.3390/en18185008
dc.identifier.issn1996-1073
dc.identifier.otherPURE: 131326295
dc.identifier.otherPURE UUID: 2e3aa0f4-e731-49ac-b74b-f3acf63fc237
dc.identifier.otherScopus: 105017223119
dc.identifier.otherWOS: 001579843800001
dc.identifier.otherORCID: /0000-0003-0372-949X/work/208083236
dc.identifier.urihttp://hdl.handle.net/10362/201177
dc.identifier.urlhttps://www.scopus.com/pages/publications/105017223119
dc.language.isoeng
dc.peerreviewedyes
dc.subjectbiocidal
dc.subjectdurability
dc.subjectETICS
dc.subjecthydrophobicity
dc.subjectmultifunctional coatings
dc.subjectself-cleaning
dc.subjectRenewable Energy, Sustainability and the Environment
dc.subjectFuel Technology
dc.subjectEngineering (miscellaneous)
dc.subjectEnergy Engineering and Power Technology
dc.subjectEnergy (miscellaneous)
dc.subjectControl and Optimization
dc.subjectElectrical and Electronic Engineering
dc.subjectSDG 7 - Affordable and Clean Energy
dc.titleLong-Term Performance of Thermal Insulating Composite Systems Based on Water Resistance and Surface Multifunctionalityen
dc.typejournal article
degois.publication.issue18
degois.publication.titleEnergies
degois.publication.volume18
dspace.entity.typePublication
rcaap.rightsopenAccess

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