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The study examines the executive and functional configuration of environmental and interactive façade systems, with a particular focus on ventilated multi-layer envelopes that integrate passive and dynamic mechanisms for climate and energy control. Central to these configurations is the double-skin façade, which activates natural convection through temperature differentials between the air cavity and external inputs, generating efficient vertical airflows. This process enables the modulation of thermal behavior across seasons: in summer, it facilitates convective cooling and limits solar gain; in winter, it retains heat and reduces dispersion. The envelope system is composed of prefabricated modular units integrating monolithic glass panels, thermally broken aluminium frames, automated shading elements, and partitioned cavities designed to reduce lateral air exchange while enhancing upward circulation. These façades function as environmental mediators, regulating light, temperature, and humidity to ensure interior comfort while optimizing energy performance. Their construction supports precise assembly, adaptability to varying building typologies, and facilitates microclimatic control via operable elements that respond to sunlight intensity and air movement. The internal cavity, further structured into autonomous vertical units, contributes to increase thermal inertia and acoustic insulation, while also facilitating moisture control and condensation reduction. The cell-like subdivision of the cavity supports the chimney effect and allows airflows to be calibrated module by module, improving aerodynamic behavior. Tailored profiles, gaskets, and mounting brackets enable the integration of shading slats and glazing panels, enhancing performance and ensuring mechanical continuity across the façade system. The operability of ventilation flaps, located near floor slabs, and the use of micro-perforated shading slats protected from weather, allow for passive air regulation based on solar radiation and temperature differences, ensuring responsiveness to diverse environmental conditions.

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The Technological Requalification by the Multi-layer Façade Systems

  • 章节

  • 发表日期：

    2025年

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  • Ingrid Paoletti,
  • Massimiliano Nastri

摘要

The study examines the executive and functional configuration of environmental and interactive façade systems, with a particular focus on ventilated multi-layer envelopes that integrate passive and dynamic mechanisms for climate and energy control. Central to these configurations is the double-skin façade, which activates natural convection through temperature differentials between the air cavity and external inputs, generating efficient vertical airflows. This process enables the modulation of thermal behavior across seasons: in summer, it facilitates convective cooling and limits solar gain; in winter, it retains heat and reduces dispersion. The envelope system is composed of prefabricated modular units integrating monolithic glass panels, thermally broken aluminium frames, automated shading elements, and partitioned cavities designed to reduce lateral air exchange while enhancing upward circulation. These façades function as environmental mediators, regulating light, temperature, and humidity to ensure interior comfort while optimizing energy performance. Their construction supports precise assembly, adaptability to varying building typologies, and facilitates microclimatic control via operable elements that respond to sunlight intensity and air movement. The internal cavity, further structured into autonomous vertical units, contributes to increase thermal inertia and acoustic insulation, while also facilitating moisture control and condensation reduction. The cell-like subdivision of the cavity supports the chimney effect and allows airflows to be calibrated module by module, improving aerodynamic behavior. Tailored profiles, gaskets, and mounting brackets enable the integration of shading slats and glazing panels, enhancing performance and ensuring mechanical continuity across the façade system. The operability of ventilation flaps, located near floor slabs, and the use of micro-perforated shading slats protected from weather, allow for passive air regulation based on solar radiation and temperature differences, ensuring responsiveness to diverse environmental conditions.