What important advantage do green facades have?

The term green walls fall into two main categories- green facades and living walls. The former ones are elements of the structure adorned with climbing plants that are rooted in the ground. Green facade can only be installed on building exteriors using all kinds of nets, fences, and metal tube structures that support the vertical growth of plants and prevent structural damage.The tradition of creating green roofs derives from the way past times of antiquity, one such example of the use of greenery in architecture is the so-called Hanging Gardens of Babylon. While moving to modern times, the idea to create a living green wall was first spread by Stanley Hart White in 1938, he developed a patent of a structure that enables plants to grow vertically.Green facades are passive techniques and provide benefits in reducing the energy requirements of the building, but also enhance the aesthetic appearance of the building and any other structure. In the past decade, people are slowly beginning to realise the benefits of green architecture which is considered a new perspective for the urban heat island problem.In dense urban structures, green walls can be an answer to the lack of garden spaces as it helps in reducing the urban heat island effect: this effect is caused by the replacement of green areas with hard surfaces, which lead to the conversion of sunlight to heat. Proper design and construction of green facade promote the cooling process in buildings, retain rainwater, filter the air and remove pollution, and save on cooling costs.Know more

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