Plant-based materials, including thatch, palm leaves, and bamboo, remain a key resource for building roofing in Benin. They are distinguished by their low carbon footprint, local availability, and low cost. However, their adoption is hampered by challenges related to sustainability, fire risk and competition from modern materials, and insufficient regulation.

This article proposes an integrated approach including a classification of materials, therapies for their sustainability, and regulatory recommendations for their use.