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ProductUpdated on 3 March 2026

Lightweight Green Roof & Living Wall Systems for Climate-Resilient Cities

CEO at Demet'air

Toulouse, France

About

Demet’air is a French mission-driven start-up specializing in lightweight green roof and living wall solutions designed to accelerate urban climate adaptation. The company has developed an innovative organic substrate that is ultra-lightweight, highly water-retentive, and biodiversity-friendly, enabling installation on buildings that traditionally could not support rooftop vegetation.

Their systems contribute to carbon storage, urban heat island reduction, improved building energy efficiency, stormwater management, and extended roof lifespan. By removing structural and cost barriers typically associated with green infrastructure, Demet’air makes urban greening scalable and accessible for real estate owners, corporates, and public authorities — including retrofit projects.

Applies to

  • Agriculture & Food
  • Circular Economy
  • Construction & Mining
  • ICT/Electronics

Organisation

Demet'air

Start-up company

Toulouse, France

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