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<p>This study aims to analyze the impact of a green wall constructed from reused materials (Tetra Brik® containers) and regional plants (<i>Sphagneticola trilobata</i> L. Pruski) on the temperature regulation of a building model known as CMFT, located in Mérida, Yucatán, Mexico. To achieve this, the thermal behavior of the CMFT protected by the green wall (CMFT-PV) was compared to that of a control CMFT (CMFT-C) exposed directly to sunlight. The thermal behavior of the CMFTs was primarily described through their internal temperature, although the surface temperature of the CMFT's concrete wall was also measured. Data collected over a year were categorized into two study periods: direct and indirect solar exposure periods. Subsequently, the data were analyzed using daily averages, hourly averages, and probability density. The highest monthly average temperature reduction of 1.87&#xa0;°C was observed in February during the direct exposure period. However, values up to 5&#xa0;°C were recorded throughout the year. The temperature reduction was caused by the Tetra Brik® pots which formed a barrier against solar radiation and wind; also, the plants provided additional cover to block radiation and dissipated heat through their transpiration. The accidental loss of vegetation during the experiment provided new insights into the mechanisms of heat transfer regulation provided by the green wall. Even without plants, there was a monthly average temperature reduction of 0.99&#xa0;°C during the month of May.</p> Graphical Abstract <p></p>

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Experimental evaluation of the thermal impact of a green wall made of reused materials over a block and concrete wall

  • 期刊论文

  • 发表日期：

    2026年2月2日

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  • Omar Yamil Rodríguez Gamboa,
  • César Martín-Barrera,
  • P. I. Gonzalez-Chi

摘要

This study aims to analyze the impact of a green wall constructed from reused materials (Tetra Brik® containers) and regional plants (Sphagneticola trilobata L. Pruski) on the temperature regulation of a building model known as CMFT, located in Mérida, Yucatán, Mexico. To achieve this, the thermal behavior of the CMFT protected by the green wall (CMFT-PV) was compared to that of a control CMFT (CMFT-C) exposed directly to sunlight. The thermal behavior of the CMFTs was primarily described through their internal temperature, although the surface temperature of the CMFT's concrete wall was also measured. Data collected over a year were categorized into two study periods: direct and indirect solar exposure periods. Subsequently, the data were analyzed using daily averages, hourly averages, and probability density. The highest monthly average temperature reduction of 1.87 °C was observed in February during the direct exposure period. However, values up to 5 °C were recorded throughout the year. The temperature reduction was caused by the Tetra Brik® pots which formed a barrier against solar radiation and wind; also, the plants provided additional cover to block radiation and dissipated heat through their transpiration. The accidental loss of vegetation during the experiment provided new insights into the mechanisms of heat transfer regulation provided by the green wall. Even without plants, there was a monthly average temperature reduction of 0.99 °C during the month of May.

Graphical Abstract