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Retrofitting green roofs.
The installation cost of a retrofit green roof can be subsidized up to 50 by nparks in an effort to promote greenery.
While not the most common method of creating a green roof vegetated rooftops are a viable option.
The improvements a green roof offers will also factor into your cost benefit analysis and help rationalize a sizable investment.
At certain times of the year green roofs cut energy use.
Another method of creating a green roof on older roofs or buildings that can t currently undergo.
A more cost effective practice in comparison to the construction of new facilities.
Although the initial costs associated with retrofitting a green roofcan be higher than a standard roof the cost savings over the life time of the building must be considered and when push comes to a shove environmentally speaking that is the fitting of a green roofis always the preferred choice.
Retrofitting existing buildings with green roofs improves their sustainability by nikola tosic 23 october 2017 retrofitting is a very common practice that consists in the addition of new technologies to older buildings or systems.
Installed cost ranges from 12 per square foot to above 30 says rugh.
During cooling season they act as an insulator and decrease heat flow through the roof.