A vegetated roof is a roof of a building that is entirely or partially covered by vegetation and a growing medium. The roof comprises a number of layers such as roof barrier, drainage system, and irrigation system. Vegetated roofs, also known as green roofs, eco-roofs, or nature roofs, are structural components that help mitigate effects of urbanization on the water quality by filtering, absorbing, or detaining rainfall. Vegetated roofs can be used in new building designs and can also be ... Read more