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This paper examines four types of roof assemblies, namely intensive, semi-intensive and extensive green roofs, and conventional roof in terms of their life cycle environmental impacts. The life cycle assessment (LCA) is conducted for Cradle-to-Cradle boundary system, considering a functional unit of 1 m2 for a lifespan of 50 years and using the OneClickLCA software. The aim was to determine the extent to which each type of assembly contributes to the environmental impacts over the entire life cycle. In addition, this study includes carbon foot-print analysis, accounting for the carbon sequestration capacity of plants on green roofs. The findings contribute to identifying roof designs that minimize environmental impact over their lifespan.

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Comparison of Green and Conventional Roofs from Environmental Parameters

  • 会议论文

  • 发表日期：

    2026年

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  • Jana Budajová,
  • Katarína Harčárová,
  • Silvia Vilčeková,
  • Eva Krídlová Burdová,
  • Peter Mésároš

摘要

This paper examines four types of roof assemblies, namely intensive, semi-intensive and extensive green roofs, and conventional roof in terms of their life cycle environmental impacts. The life cycle assessment (LCA) is conducted for Cradle-to-Cradle boundary system, considering a functional unit of 1 m2 for a lifespan of 50 years and using the OneClickLCA software. The aim was to determine the extent to which each type of assembly contributes to the environmental impacts over the entire life cycle. In addition, this study includes carbon foot-print analysis, accounting for the carbon sequestration capacity of plants on green roofs. The findings contribute to identifying roof designs that minimize environmental impact over their lifespan.