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OASIS: Multimodal Hydroactive System

An innovative green roof for urban buildings

August 2019
Gallery OASIS: Multimodal Hydroactive System 1
Gallery OASIS: Multimodal Hydroactive System 1


OASIS is a multifunctional and hydroactive green roof for greening urban buildings. Unlike conventional green roofs, OASIS is a stormwater management tool. Urban damage related to rain runoff is avoided, flood risks are reduced and discharges to the natural environment in rainy weather are limited. In addition to an enlarged vegetal choice and urban farming, OASIS adds value to the stored water. For example, plants are irrigated twice with the same water thanks to capillarity. OASIS can be considered an urban planning device since it reintroduces nature and biodiversity into the city while driving urban building costs down. Absorption of rain peaks means OASIS maintains a low and constant run-off rate not affected by intense rainfalls.

Label Date August 28, 2019
From France
Maturity stage Small scale commercialization
Looking For Visibility, investors, customers, international markets

Implementation Stories

OASIS: Multimodal Hydroactive System by Le Prieuré Vegetal i.D.
Implemented by L'École nationale supérieure d'art et de design in Nancy (France) in 2015

The urban community of Greater Nancy installed the Solution on the Ecole Nationale Supérieur des Arts et du Design of Nancy’s flat roof in 2015. As a new building, it was part of a sustainable development approach with the architect’s desire to implement an innovative roofing solution combining the benefits of vegetation and rainwater management. With a surface of 900 m2, this installation aims to meet the requirements of the Local Urbanism Plan in terms of stormwater management by allowing to store, irrigate and regulate water in an autonomous way.


A low outflow of 4l / sec / ha compliant with legal requirement in local urban plans (1 to 10 l / s / ha)


The environmental benefits

  • Features a modular design.
  • Made out of 100% recycled material.

The Financial benefits

  • Saves from 50 to 80% in water consumption in areas where green roofing is required.

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

Le Prieuré Vegetal i.D.

Green roofs Solutions Vegetal I.D

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Headquarters 41160 La Ville-aux-Clercs, France

Networking Partner


Réseau PEXE, the French Cleantech network, is the leading network of French cleantech clusters. Its main objective is to structure and promote the cleantech industry to accelerate the development of its 5000 SMEs.

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Solutions Associated 24
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Le Prieuré Vegetal i.D. has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.