Green Roof Characteristics

Green roof growing medium is composed of mineral aggregates and only a small amount of organic material.

Green roof characteristics.

Minimal pest and disease issues. A green roof can be an oasis in the city landscape. This concept was designed to encourage the vegetations on the top of building to get multiple social economical and environmental benefits. The life span of the roof is at least doubled because of the.

Extensive green roofs are lightweight with a shallow layer of growing substrate of less than 200 mm deep requiring minimal maintenance. There are two types of green roof. A green roof has a natural look. Not only does a green roof insulate noise it also keeps warmth inside or outside in winter and.

A green roof is a roof surface flat or pitched that is planted partially or completely with vegetation and a growing medium over a waterproof membrane. Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs and require minimal maintenance. They are also be known as living roofs eco roofs or vegetated roofs cibse 2007. Green roof substrates are not similar to field soils but have characteristics in common with shallow drained soils and or greenhouse container substrates beattie and berghage 2004.

Green roofs are roofs that are purposely fitted or cultivated with vegetation. Characteristics of a successful green roof healthy soil biology and carbon levels. Green roofs introduce vegetation on unavoidably impervious surfaces and offer a number of environmental advantages including. They generally have lower water requirements and use small low growing plant species particularly succulents.

Improving air quality providing habitats for insects and birds helping to retain higher levels of humidity in urban areas reducing roof stormwater runoff and associated contaminants such as nutrients and bacteria from bird droppings. It should also be light weight resistant to decomposition and compression and physically and chemically stable. The colour of the roof changes in accordance with the seasons. Larger and deeper plant reserves.