How Many Green Roofs Are Built

In 2012 the north american green roof industry recorded 982 green roof projects which was a 24 increase from 2011.

How many green roofs are built.

Modern green roofs are made of a system of layers placed over the roof to support soil medium and vegetation. Improved energy efficiency increased lifespan of the roof membrane proper sound insulation and many more. Green roof development involves the creation of contained green space on top of a human made structure. This is a relatively new phenomenon and was developed in germany in the 1960s and has spread to many countries since then.

It is planted over a specially designed water proofing membrane that ensures protection to the tradition roof of a building. A properly designed and installed extensive green roof system can cost 108 248 m 2 10 23 sq ft while an intensive green roof costs 355 2 368 m 2 33 220 sq ft however since most of the materials used to build the green roof can be salvaged it is estimated that the cost of replacing a green roof is generally one third of the initial installation costs. A green roof is a specific type of roof arrangement over a building that is either partially or fully covered with growing medium as well as vegetation. Green roofs are also becoming increasingly popular in the united states although they are not as common as in.

Some of the common benefits of green roofs are. The projects are located on a variety of building sites and represent a diverse set of available extensive green roof installation types including vegetated mat built up and modular tray systems as well as plant types. This can lead to new opportunities in habitat creation as well as biodiversity preservation. In more scientific terms green roofs help filter and clean air as well as retain storm water.

Installed the most green roofs in north america this past year with 1 326 872 square feet.