Know About the Importance of Green Roof

A green roof on a building is partially or fully covered with vegetation. It is also known as eco roof or living roof. It can also be defined as covering roof with plants on a man made building over a water proofing membrane. Green roofs are of two types: Intensive green roof, which are more thicker and can support a variety of plants and require more maintenance as they are heavier. Extensive roofs have a thin growing medium of vegetation and require minimal maintenance and are lighter than intensive roof.

Importance of green roof:

• Green roofs filter pollutants and carbon dioxide from the air, which reduce the risk of asthma.
• They provide natural habitat for urban wildlife.
• They help to insulate the building against sound.
• Green roofs reduce heat loss and energy consumption in winters.
• They reduce storm water run off by absorbing rain water.
• The dust particles and other pollutants that circulate in the air can be trapped in green roofs and stay in a substrate.
• They provide shade by minimizing urban heat and reduces air conditioning requirements of the building which inturn reduces greenhouse gas emissions.
• Green roofs absorb heat and carbon dioxide and produces oxygen.
• Green roofs provide fire protection and also reduce electromagnetic radiation penetration.
• They create biodiversity and encourage wildlife habitat such as birds, butterflies, etc.

Green roofs come in number of shapes and sizes, they can be installed on new buildings or replaced to existing roofs. Green roof greatly increases the life span of the roof.


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