A 2006 study from the university of michigan compared the expected costs of conventional roofs with the cost of a 21 000 square foot green roof and found that over its lifetime the green roof.
Green roof and greenhouse differences.
The whole green revolution shifted by the modern rooftop greenhouse results in endless benefits.
Newer minds have taken the rooftop greenhouse concept and built a business model for using the rooftop greenhouse not as a research center but as a commercial production greenhouse to supply the local market.
The second and even newer concept to take hold in the urban agricultural movement is what has come to be known as vertical farming.
On the other hand an open greenhouse roof allows fresh air in the hot months.
For a conventional roof.
Green roof temperatures can be 30 40 f lower than those of conventional roofs and can reduce city wide ambient temperatures by up to 5 f.
15 to 50 per square foot.
Available in clear frosted or green fiberglass panels run about 1 to 2 per square foot.
Green roofs reduce the temperature of the building and the surrounding air in multiple ways.
A retractable greenhouse rooftop system is probably the best option to consider since it is flexible and protects against cold climates with heavy snow loads.
Fiberglass panels are commonly used to cover greenhouses as they are durable lasting for up to 20 years.
8 to 20 per square foot.
They provide shade to the top of a building evapotranspiration.