Parts Of A Green Roof

Two types of green roof exist.

Parts of a green roof.

Waterproofing a roof deck for a green roof. Different types of green roofing. Extensive green roofs have a minimum layer of substrate. It doesn t have to be a traditional garden sprawling and having multiple types of herbs plants flowers or fruits.

You may find that your roof deck already has a waterproofing layer after all waterproofing is a key part of protecting the structure. However the choice of vegetated system must be suitable to load bearing capacity of the building s roof. The green cover may be of herbs grass drought resistant plants flowers and even vegetables. Optigreen extensive roof fertilizer is a slow release fertilizer specifically formulated to meet the nutritional requirement of sedums on extensive green roofs.

Drainage paths provide a way for excess water to reach rainwater drainage devices. Want to read the whole page. 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. Usually green roofs have vegetation and plants possibly a garden.

The layers of a green roof must like any roof accommodate drainage and protect the building from the elements with a waterproof membrane. Depending on the type of green roof you install the plants may be modular or have drainage layers. The most elementary form of such constructions is the extensive planted roofs. The green roof can be established on any load bearing components concrete tanbark wood.

It may also include additional layers such as a root barrier and drainage and irrigation systems. 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. Parts of a green roof structure. However all green roofs include a few important features such as waterproofing and root repellent to keep the underlying structure safe and undamaged.

This could be a bitumen membrane or coating asphalt on a shed or some form of liquid waterproofing. 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. Apply it twice yearly beginning the second year typically in april and july at the rate of 4lbs per 1000 square feet.