The green roof is composed of a mix of sedums and hardy herbs with a sweeping crescent of small grasses.
Green roof design details.
Despite the 10 story elevation and center city location the green roof has attracted a variety of wildlife over the years.
Please contact us for support in determining which details are most pertinent to your individual project.
The green roof design needs to accommodate adequate water retention suitable drainage structural loading and the depth of green roof growing substrate.
This is especially true of intensive green roofs which can have soil that is two feet deep or more.
It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away.
Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations.
It starts with a waterproofing membrane which is commonly followed by a root barrier layer an optional layer of insulation drainage layer filter fabric growing medium and finally vegetation.
The types of plants that you will have will depend on the type of green roof you are installing.
A green roof is in ecological terms a great and simple thing to do.
Architectural details photo by tommy hileman.
Roofmeadow green roof system design and installation.
The key to any good green roof project is a good waterproofing membrane.
A green roof is a green space that is created by adding various layers of plants and a growing medium to the top portion of a traditional roofing system.
There are many types of waterproofing membrane.
A typical green roof has seven layers on top of the structural components.
There are a number of things to consider when designing for a green roof.
Note that it is not like a traditional roof garden in which planting is done in free standing containers as well as planters that are placed on an easy to access roof terrace.
Green roof design your green roof design will depend on the roof your preferred green roof system as well as your desired build up and vegetation.
Swarthmore college david kemp hall.
As a note for vegetation the soil for a green roof should have a ratio of 70 percent inorganic material and 30 percent organic material.
And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed.
One important item to design for is an increased structural load.
