Green Roofs Inforamtion

They fall into three main categories extensive intensive and semi intensive.

Green roofs inforamtion.

Green roofs are also known as vegetative or eco roofs. It has since been surpassed as largest in the world but is still the largest living roof in north america at 454 000 square feet 10 4 acres. Image courtesy of earth pledge depending on the structure the green roof is being built on green roofs can either be intensive or extensive. A green roof or living roof generally incorporates a system of layers that include waterproofing drainage soil and growing vegetation.

The green roof acts as a bio filter basically as a big sponge that sucks up dirt and pollution in the air. They act as a kind of trap for storm water absorbing 50 to 80 per cent of rainfall and cooling the excess before it washes into the storm drain system. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Green roofs transform the tops of houses and businesses into urban gardens.