Green Roof Research Studies

Research report for canada mortgage and housing corporation cmhc.

Green roof research studies.

The one block wide twelve story building had a. 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. Chicago city hall chicago il building constructed.

Forging a new industry in canada status report on benefits barriers and opportunities for green roof and vertical garden technology diffusion. 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. Benefits green roofs provide for the urban environment are. Green roofs cost more than the normal traditional roof but.

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. Center for green roof research the center the only location in north america with small test green roofs on replicated buildings characterizes and quantifies the performance of green roofs and promotes their discoveries through education and outreach. 20 300 sqft year installed. The effects of climate change like increase of sea level coastal erosion or the rise of urban temperatures during summer urged engineers and scientists to create tools that might weaken them.

As green roof plants mature and root systems grow storm water retention may increase. Greenbacks from green roofs. The model predicted that extensive use of green roofs could reduce summer surface temperatures by as much as 1 6 degrees fahrenheit f. 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.

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. Available online 655 kb pennsylvania state university center for green roof research website. 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.