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Hygrothermal and Acoustic Performance of Two Innovative Envelope Renovation Solutions Developed in the e-SAFE Project

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  • Gianpiero Evola

    (Department of Electric, Electronic and Computer Engineering, University of Catania, 95100 Catania, Italy)

  • Vincenzo Costanzo

    (Department of Civil Engineering and Architecture, University of Catania, 95100 Catania, Italy)

  • Luigi Marletta

    (Department of Electric, Electronic and Computer Engineering, University of Catania, 95100 Catania, Italy)

Abstract

In order to reach the ambitious decarbonizing goals set by the European Union for 2030, deep renovation of the existing European building stock is a key issue. Within this context, the recently funded H2020 project “e-SAFE” is investigating market-ready wooden envelope renovation solutions for non-historic buildings, which encompass both energy and seismic improvement. The research carried out in the project aims at developing, testing and demonstrating these solutions on a real pilot. More specifically, this paper presents preliminary analyses to verify that the solutions satisfy the requisites set by the national regulations in force in most European countries, in terms of hygrothermal and acoustic performance. The analysis, carried out following relevant technical European Standards and based on calculations, considers different climate conditions and existing wall structures, selected amongst those most commonly adopted in Europe. The results show that the addition of a Cross Laminated Timber (CLT) layer with some wooden-based insulation on the outer side allows reaching very good thermal and acoustic performance. However, interstitial condensation may occur in cold climates under high indoor humidity values. This aspect deserves further investigation accounting for the transient behavior of the walls and all vapor transport mechanisms.

Suggested Citation

  • Gianpiero Evola & Vincenzo Costanzo & Luigi Marletta, 2021. "Hygrothermal and Acoustic Performance of Two Innovative Envelope Renovation Solutions Developed in the e-SAFE Project," Energies, MDPI, vol. 14(13), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:4006-:d:587832
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    References listed on IDEAS

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    1. David Bienvenido-Huertas & Miguel Oliveira & Carlos Rubio-Bellido & David Marín, 2019. "A Comparative Analysis of the International Regulation of Thermal Properties in Building Envelope," Sustainability, MDPI, vol. 11(20), pages 1-30, October.
    2. Giuseppe Margani & Gianpiero Evola & Carola Tardo & Edoardo Michele Marino, 2020. "Energy, Seismic, and Architectural Renovation of RC Framed Buildings with Prefabricated Timber Panels," Sustainability, MDPI, vol. 12(12), pages 1-18, June.
    3. Eleftheria Touloupaki & Theodoros Theodosiou, 2017. "Optimization of External Envelope Insulation Thickness: A Parametric Study," Energies, MDPI, vol. 10(3), pages 1-19, February.
    4. Paolo La Greca & Giuseppe Margani, 2018. "Seismic and Energy Renovation Measures for Sustainable Cities: A Critical Analysis of the Italian Scenario," Sustainability, MDPI, vol. 10(1), pages 1-19, January.
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    1. Alessandra Urso & Vincenzo Costanzo & Francesco Nocera & Gianpiero Evola, 2022. "Moisture-Related Risks in Wood-Based Retrofit Solutions in a Mediterranean Climate: Design Recommendations," Sustainability, MDPI, vol. 14(22), pages 1-18, November.

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