Intensive Green Roof Trees

Components of an intensive green roof click for high res version intensive.

Intensive green roof trees. Intensive green roofs are not only found on buildings but also over underground constructions such as car parks. The top layer can be installed directly on top of the base layer without using a separation fabric similar to natural soil profiles with different horizons that have specific properties. These roofs will have grasses ground covers flowers shrubs and even trees. These are covered with low growing plants such as evergreen sedums.

The vegetation consists of lawns shrubs and trees and can easily be combined with pedestrian and vehicular pavements. Rooftop trees are a special category of deep intensive systems. Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects. Intensive green roofs require the deepest soil and have the greatest impact on the structural design but they also accommodate all types of plantings including large shrubs and trees.

With a total depth of 20 inches up to several feet they require two different types of media to provide the right mix of aeration and organic matter for the deeper root zone which this rooflite soil system provides. Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied. From a distance an extensive sedum roof can be mistaken for a grass field. Intensive green roofs are widely used on commercial buildings where owners want to have large green areas that incorporate all sizes and types of plants.