article summary final draft

The article "The Concrete Advantage" states that waterproof concrete removes the need for membrane in green rooftops. The removal of membrane from green rooftops eliminates the need for design and renewal costs, thus saving both time and resources. The article further explains that concrete green rooftops are resistant to water and wear and tear by nature, root barriers can most likely be eliminated due to the lack of water present in concrete to reduce costs. Furthermore, faults are easily detected and rectified for concrete rooftops. The article concludes that concrete rooftops reduces cost and saves time for planners and builders, benefiting the community and proprietor in the long run and ultimately improving economic sustainability and proprietor approval.

Thesis statement
Based on the points elaborated, the usage of concrete green roof provides an one-time monetary gain for building owners. However, there are several other long-term economic benefits of concrete green roof worth reviewing.

Reference:
The Concrete Advantage.(2018). Green Rooftops. Retrieved, September 25, 2018, from http://www.greenrooftops.org/advantage.html  
Green Roof Benefits.(2018). National Service Park. Retrieved, September 27, 2018 from https://www.nps.gov/tps/sustainability/new-technology/green-roofs/benefits.htm