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.
Extensive green roof advantages.
15 to 50 per square foot.
As with anything though there are a few negatives and this post will aim to highlight both the advantages and drawbacks of implementing a green roof the benefits of.
Structural limitations green roofs can be heavy really heavy if you want one extensive enough to plant trees and shrubs.
A green roof has many benefits at economic ecological and societal levels.
The benefits described below can be achieved by virtually all green roof systems and designs.
A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.
Installing a green roof can cost up to twice as much as installing a conventional roof.
Green roofs are part of climate proof construction.
This means that your dream of a green roof can be too heavy for your current structure to withstand.
For a conventional roof.
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.
It typically has a 3 inch deep soil mixture and is therefore less expensive and lighter than other green roofs.
Intensive green roofs typically cost twice as much to install as extensive green roofs because of their thicker more complex assembly.
Green roofs reduce stormwater runoff.
Benefits of a green roof.
An extensive green roof generally costs between 10 to 24 per square foot.
It s simply a functional green roof designed for limited access by the homeowner.
A green roof provides a rainwater buffer purifies the air reduces the ambient temperature regulates the indoor temperature saves energy and encourages biodiversity in the city.
8 to 20 per square foot.
The popularity of green roofs has increased in the united states due to their many benefits while pretty green roofs serve a much greater purpose than simple beautification.
Looking great energy efficient and environmentally friendly too green roofs better utilise an often neglected area.
Less extensive green roof options use smaller layers of soil but also support less plant life.
Green roofs are covered with plants and vegetation bringing a number of excellent benefits to every building.
Green roofs can be categorized into two types extensive and intensive.
It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.
An extensive green roof is very low profile.