Extensive Green Roof Examples

8 to 20 per square foot.

Extensive green roof examples.

The plants chosen must be appropriate for the roof type extensive intensive or semi intensive. Examples of extensive green roofs. Green roofs are sprouting up. 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.

The incredible set up of this green roof supports flora ranging from wetland. 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 plots are used to conduct extensive research on how different. 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.

15 to 50 per square foot. The components of a green roof. 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. It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.

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. 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. Green roofs can absorb as much as 90 of the rain that falls on them. The two kinds of green roofs.

For a conventional roof. Climate clearly plays a major role in choosing the best plants for a green roof. A semi intensive green roof has a thicker layer of growing medium in order to broaden the range of plants but involves more maintenance and irrigation systems are sometimes essential. The peggy notebeart museum features a series of green roofs ranging from a sloped extensive green roof to an intensive green roof.

Examples of semi intensive green roofs produced by vegetal i d. 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. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. Plants for green roofs.

Examples of extensive green roofs produced by vegetal i d.