Extensive Green Roof And Intensive Green Roof

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.

Extensive green roof and intensive green roof.

Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less. 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. Extensive green roofs. Green roofs are also known as vegetative or eco roofs.

For a conventional roof. What is a green roof. 8 to 20 per square foot. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.

Although there are no precise definitions of. 15 to 50 per square foot. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof.

These systems are ideal for efficient stormwater. They fall into three main categories extensive intensive and semi intensive.