Ultra-light-weight capillary-irrigated green roof systems
Innovative green roof systems using capillary irrigation to deliver water on demand, facilitating urban agriculture, cooling, and CO2 capture. Ideal for urban settings, the system uses treated grey water and supports diverse plant species while reducing building cooling costs.
Overview
The ultra-light-weight capillary-irrigated green roof system is a cutting-edge technology designed to enhance urban agriculture, building cooling, and atmospheric CO2 capture. This innovative system utilizes a capillary irrigation network that delivers water to plants on demand, allowing for the cultivation of plants with smaller root volumes. The system is designed to be incorporated into existing roofing structures due to its lightweight nature, making it a versatile solution for urban environments. By using treated grey water, the system supports sustainable water use and reduces the need for fresh water resources. Additionally, the plant coverage provides shading, decreasing heat load and contributing to lower cooling costs for buildings.
Technical specifications
- Capillary Irrigation System: Provides on-demand water supply enclosed within a membrane, suitable for plants with varying water needs.
- Ultra-Light-Weight Design: Allows for easy integration with existing roofs, significantly lighter than traditional green roof systems.
- Water Source: Utilizes treated grey water, reducing reliance on potable water sources.
- Applications: Urban agriculture, building cooling, CO2 sequestration, and enhancement of urban biodiversity.
- Plant Compatibility: Supports diverse plant species, allowing for efficient use of rooftop spaces to grow food and improve food security in urban areas.
Technology readiness level
The technology is currently at a Technology Readiness Level (TRL) 4. It has been successfully tested in controlled environments, and future validation plans include collaborative pilot-scale testing with industry partners. These tests will involve growing various plant types to further optimize the system and ensure its effectiveness in real-world conditions. Upon successful pilot testing, the system will be scaled up for broader deployment.
About University of Manitoba
The University of Manitoba is a public research-intensive university founded in 1877, representing the oldest university in Western Canada. It provides a broad academic portfolio of over 250 undergraduate and graduate programs across multiple faculties and schools. As a member of the U15 Group of Canadian Research Universities, the institution maintains a significant research enterprise focused on addressing complex global and local challenges, including health innovations, climate change, and food security, supported by extensive partnerships with industry and government.
For students and the provincial community, the university serves as a primary hub for professional training, educating the majority of Manitoba’s architects, engineers, lawyers, and health care professionals. It operates multiple campuses and research centres, providing experiential learning, co-op opportunities, and financial support. By fostering a collaborative environment for faculty, researchers, and students, the university drives economic and social advancement in Manitoba while contributing to international knowledge development through its scholarly output and diverse academic community.
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