Green Roof Design Details

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.

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. Low nutrients and lightweight substrates are a good combination for a green roof and its vegetation. With over 10 years of excellence roofmeadow formerly roofscapes is the north american leader in green roofs. A green roof is in ecological terms a great and simple thing to do.

We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats. Architectural details photo by tommy hileman. There are a number of things to consider when designing for a green roof. 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.

The key to any good green roof project is a good waterproofing membrane. Swarthmore college david kemp hall. It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away. There are many types of waterproofing membrane.

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. 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. The types of plants that you will have will depend on the type of green roof you are installing. A typical green roof has seven layers on top of the structural components.

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. Roofmeadow green roof system design and installation. This is especially true of intensive green roofs which can have soil that is two feet deep or more. The green roof is composed of a mix of sedums and hardy herbs with a sweeping crescent of small grasses.

One important item to design for is an increased structural load. 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.