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As the world seeks innovative solutions to address the urgent challenges of climate change and resource depletion, integrating sustainable practices in the construction industry is paramount. This manuscript explores energy efficiency’s role in utilizing lightweight cellular concrete (LCC) in green roofs. Green roofs have emerged as a promising strategy for mitigating the impact of heat transfer on buildings. However, conventional green roofs face limitations in Thailand. The introduction of LCC in green roofs offers a new solution. This study investigates the energy performance assessment by calculating the thermal transfer of material by using Roof Thermal Transfer Value (RTTV), obtaining temperature data from open-air experiments, and comparing the cooling load estimation. The study shows that LCC material contributes to energy savings in buildings up to 58.35% compared with concrete roofs. When LCC is integrated with a green roof system, its efficiency is further enhanced, reaching up to 94.05%. The low thermal conductivity of LCC contributes to lower RTTV values, cooler indoor temperatures, and reduced cooling load requirements. The utilization of LCC in green roof installations yields notable advantages. Incorporating LCC in green roof constructions not only fosters energy conservation but also offers practical benefits that make it a cost-effective and sustainable option for urban development initiatives.

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The Role of Energy Efficiency for the New Green Roofs Construction Techniques by Using Lightweight Cellular Concrete

  • 会议论文

  • 发表日期：

    2025年

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  • Hanny Chandra Pratama,
  • Theerawat Sinsiri,
  • Mongkol Jirawacharadet,
  • Aphai Chapirom

摘要

As the world seeks innovative solutions to address the urgent challenges of climate change and resource depletion, integrating sustainable practices in the construction industry is paramount. This manuscript explores energy efficiency’s role in utilizing lightweight cellular concrete (LCC) in green roofs. Green roofs have emerged as a promising strategy for mitigating the impact of heat transfer on buildings. However, conventional green roofs face limitations in Thailand. The introduction of LCC in green roofs offers a new solution. This study investigates the energy performance assessment by calculating the thermal transfer of material by using Roof Thermal Transfer Value (RTTV), obtaining temperature data from open-air experiments, and comparing the cooling load estimation. The study shows that LCC material contributes to energy savings in buildings up to 58.35% compared with concrete roofs. When LCC is integrated with a green roof system, its efficiency is further enhanced, reaching up to 94.05%. The low thermal conductivity of LCC contributes to lower RTTV values, cooler indoor temperatures, and reduced cooling load requirements. The utilization of LCC in green roof installations yields notable advantages. Incorporating LCC in green roof constructions not only fosters energy conservation but also offers practical benefits that make it a cost-effective and sustainable option for urban development initiatives.