Extensive Green Roof Examples

Cincinnati civic garden center roof example rain event 12mm from july green roofs and water quantity buffam and mitchell unpublished data most extensive green roofs will reduce stormwater flows on an annual basis by 50 green roofs also delay stormwater runoff but flow dynamics depend on climate and green roof design.

Extensive green roof examples.

A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq. Examples of extensive green roofs produced by vegetal i d. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. The incredible set up of this green roof supports flora ranging from wetland.

Examples of semi intensive green roofs produced by vegetal i d. Extensive green roofs are generally made up of a very thin layer of soil or other planting medium with shallow root plants like sedum mosses and grasses. The intensive portion features a 2 10 inch drainage layer and a 2 5 to 8 inch growing media layer exhibits diverse examples of habitats. The peggy notebeart museum features a series of green roofs ranging from a sloped extensive green roof to an intensive green roof.

Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof. 15 to 50 per square foot. The two kinds of green roofs. Green roofs are sprouting up.

Plants for green roofs. The plots are used to conduct extensive research on how different. It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. The components of a green roof.

8 to 20 per square foot. The several layers that make up a green roof filter the water and remove pollutants before sending the water to a downspout and eventually back to rivers and streams. Examples of extensive green roofs. The soil is usually not more than 5 deep and is sometimes contained by a tray system which provides a barrier to excessive growth protects the roof membrane and.

The plants chosen must be appropriate for the roof type extensive intensive or semi intensive. Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof. Green roofs can absorb as much as 90 of the rain that falls on them. The bronx county courthouse features a 1 inch drainage layer with a 2 5 3 inch deep growing medium profile the green roof is composed of a mix of sedums and hardy herbs with a sweeping crescent of small grasses.

Click through these spectacular examples from san francisco to singapore to discover how top.