Two major classes of planted roofs are mainly described intensive and green roof when considering the building attributes the thickness of the layers and the prerequisites for maintenance green roof shufro 2005.
Parts of a green roof.
The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane.
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Apply it twice yearly beginning the second year typically in april and july at the rate of 4lbs per 1000 square feet.
Depending on the type of green roof you install the plants may be modular or have drainage layers.
Two types of green roof exist.
This could be a bitumen membrane or coating asphalt on a shed or some form of liquid waterproofing.
The green cover may be of herbs grass drought resistant plants flowers and even vegetables.
Drainage paths provide a way for excess water to reach rainwater drainage devices.
Optigreen extensive roof fertilizer is a slow release fertilizer specifically formulated to meet the nutritional requirement of sedums on extensive green roofs.
It may also include additional layers such as a root barrier and drainage and irrigation systems.
The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support.
Waterproofing a roof deck for a green roof.
You may find that your roof deck already has a waterproofing layer after all waterproofing is a key part of protecting the structure.
However all green roofs include a few important features such as waterproofing and root repellent to keep the underlying structure safe and undamaged.
It doesn t have to be a traditional garden sprawling and having multiple types of herbs plants flowers or fruits.
The green roof can be established on any load bearing components concrete tanbark wood.
Different types of green roofing.
Parts of a green roof structure.
However the choice of vegetated system must be suitable to load bearing capacity of the building s roof.
Usually green roofs have vegetation and plants possibly a garden.
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane.
Extensive green roofs have a minimum layer of substrate.
A standard green roof comprises of a soil of lightweight mixed together with a layer of you ve reached the end of your free preview.
