Green Roof Research Studies

This recent report commissioned by the office of federal high performance green buildings includes a literature review of 200 research studies in depth analysis of green roof benefits an original cost benefit analysis discussion of challenges and best practices and assessment of further research needs.

Green roof research studies.

Green roof has several layers the top layer is the vegetation stratum followed by growing medium or soil layer irrigation layer filter fabric layer drainage layer waterproofing membrane layer and then the roof deck dunnet kinngsbury 2004 ouldboukhitine et al 2011. Many scientific researches focus on its cooling. Data collected from a study by researchers at the pennsylvania state university center for green roof research show that green roofs captured up to 80 of rainfall during rainstorms compared to 24 typical for standard roofs. Uhi effects could be mitigated by substantial green roof utilization.

As green roof plants mature and root systems grow storm water retention may increase. Nasa and green roof research using new technologies to update an old concept. As part of this study giss considered various use scenarios for green roof space ranging from 20 to 50. The model predicted that extensive use of green roofs could reduce summer surface temperatures by as much as 1 6 degrees fahrenheit f.

Available online 655 kb pennsylvania state university center for green roof research website. Benefits green roofs provide for the urban environment are. 20 300 sqft year installed. Center for climate systems research columbia university crest center center for water resources environmental research cuny.

Research report for canada mortgage and housing corporation cmhc. Green roofs cost more than the normal traditional roof but. The green roof on the chicago city hall building was installed as part of a environmental protection agency study and initiative to reduce the urban heat island effect in the city and improve air quality. Read our green roof case studies covering topics ranging from the planning execution and upkeeping of green roofs and more.

Green roofs have been established for over 100 years and they have been become one of the key elements in urban area in the past few decades. Forging a new industry in canada status report on benefits barriers and opportunities for green roof and vertical garden technology diffusion. The one block wide twelve story building had a. Greenbacks from green roofs.