For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration.
Intensive green roof design.
Patios and walkways water features and planted areas with trees shrubs and flowers.
This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings.
The intensive green roof uses planting mediums that have greater depth than the extensive green roof.
The full range of landscape features and plants can be included.
Higher costs and more weight are the characteristics for the intermediate vegetative green roof.
Intensive green roofs require the deepest soil and have the greatest impact on the structural design but they also accommodate all types of plantings including large shrubs and trees.
Another term for these green roofs is rooftop garden.
The growing medium depth for an extensive green roof system is typically 6 inches or less.
Intensive green roofs open up the world of landscape design on the roof.
Designed or semi intensive vegetative green roofs in terms of requirements fall in between extensive and intensive vegetative green roof systems.
Extensive green roofs 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.
Applicable to the greengrid 4 inch 6 inch and 8 inch module depths.