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What is a green roof? A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly–sloped roof. Green roofs are also known as vegetative or eco-roofs.

Here are some of the benefits of green roofs (for the building owner, the community as a whole, and from an environmental viewpoint):

 Owner  Community  Environment

 Expand roof life

 Reduce stormwater runoff

 Reduce carbon monoxide impact

 Reduce air-conditioning costs

 Improve air quality

 Remove nitrogen pollution from rain

 Reduce winter heating costs

 Reduce noise

 Provide habitat for wildlife

 Stormwater management tool

 Reduce energy demand

 Expand roof life

 Improve aesthetics

 Transfer dead space into garden space

 Provide green space

Green Roofs at the Douglas County Health Center (DCHC) and Saddlebrook Joint Use Facility

Green Roof Benefits:

  • Protecting the roof liner (that keeps the roof from leaking)
  • Moderates the temperature on the roof - reducing heat build-up in the summer
  • Provides more insulation for the building
  • Retains stormwater that falls on the roof

A “Built in place” Green Roof means the soil material was hauled up to the roof and put in place. Plants were then planted directly onto the roof.

There are temperature sensors on both the green roof and traditional roof at Saddlebrook (149th and Laurel Avenue).

You can compare the temperatures right above the roof, within the roof, and directly below the roof to see how much the green roof moderates temperatures. View the graph Standard Roof vs Green Roof Graph 

2017 Saddlebrook Monitoring Summary