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<p>The Egyptian construction sector predominantly utilizes reinforced concrete roofing systems, which, despite their structural robustness, exhibit substantial deficiencies in thermal efficiency, economic viability, and environmental sustainability. This study systematically investigates the feasibility of alternative roofing technologies-including cool roofs, green roofs, photovoltaic-integrated systems, and roofs fabricated from recycled materials-as sustainable substitutes tailored to Egypt’s hot-arid climate. Current literature remains limited, primarily descriptive, and lacks comprehensive evaluative models contextualized to local environmental and socio-economic conditions. To address this gap, this study develops an integrative analytical framework based on literature review and multi-criteria assessment based on thermal performance, lifecycle cost-effectiveness, environmental impact metrics, and local material availability. Literature-based analytical evidence reveals that passive cooling techniques, which include cool roofs, can lead to significant heat gain reduction, while photovoltaic roofing systems show significant long-term energy mitigation potential. Concurrently, recycled-material roofing offers promising avenues for waste valorisation, though its durability and climate resilience warrant further long-term validation. The findings suggest that synergistic implementation of cost-effective short-term interventions alongside innovative, resource-efficient solutions can substantially enhance roofing sustainability, foster adaptive architectural design, and advance Egypt’s transition towards a circular economy in the built environment.</p>

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Analytical Framework for Sustainable Roofing Systems in Hot-Arid Climates

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月2日

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  • Fiona Naoum,
  • Sahar Al-Arnaouty,
  • Gihan Mossad,
  • Ahmed El-Zayat,
  • Yousab Botros

摘要

The Egyptian construction sector predominantly utilizes reinforced concrete roofing systems, which, despite their structural robustness, exhibit substantial deficiencies in thermal efficiency, economic viability, and environmental sustainability. This study systematically investigates the feasibility of alternative roofing technologies-including cool roofs, green roofs, photovoltaic-integrated systems, and roofs fabricated from recycled materials-as sustainable substitutes tailored to Egypt’s hot-arid climate. Current literature remains limited, primarily descriptive, and lacks comprehensive evaluative models contextualized to local environmental and socio-economic conditions. To address this gap, this study develops an integrative analytical framework based on literature review and multi-criteria assessment based on thermal performance, lifecycle cost-effectiveness, environmental impact metrics, and local material availability. Literature-based analytical evidence reveals that passive cooling techniques, which include cool roofs, can lead to significant heat gain reduction, while photovoltaic roofing systems show significant long-term energy mitigation potential. Concurrently, recycled-material roofing offers promising avenues for waste valorisation, though its durability and climate resilience warrant further long-term validation. The findings suggest that synergistic implementation of cost-effective short-term interventions alongside innovative, resource-efficient solutions can substantially enhance roofing sustainability, foster adaptive architectural design, and advance Egypt’s transition towards a circular economy in the built environment.