The incredible set up of this green roof supports flora ranging from wetland.
Extensive green roof examples.
The plots are used to conduct extensive research on how different.
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.
Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof.
The components of a green roof.
Examples of extensive green roofs.
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.
Examples of semi intensive green roofs produced by vegetal i d.
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civic garden center roof example rain event 12mm from july green roofs and water quantity buffam and mitchell unpublished data most extensive green roofs will reduce stormwater flows on an annual basis by 50 green roofs also delay stormwater runoff but flow dynamics depend on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.
It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.
Plants for green roofs.
The peggy notebeart museum features a series of green roofs ranging from a sloped extensive green roof to an intensive green roof.
A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.
The plants chosen must be appropriate for the roof type extensive intensive or semi intensive.
Green roofs can absorb as much as 90 of the rain that falls on them.
Examples of extensive green roofs produced by vegetal i d.
The two kinds of green roofs.
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.
8 to 20 per square foot.
Green roofs are sprouting up.
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.
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.
Climate clearly plays a major role in choosing the best plants for a green roof.
For a conventional roof.
15 to 50 per square foot.
Click through these spectacular examples from san francisco to singapore to discover how top.