Intensive Green Roof Design

Patios and walkways water features and planted areas with trees shrubs and flowers.

Intensive green roof design.

The growing medium depth for an extensive green roof system is typically 6 inches or less. The intensive green roof uses planting mediums that have greater depth than the extensive green roof. 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. An extensive green roof is a thin usually less than six inches lightweight system that is typically predominantly planted with succulents drought tolerant ground covering plants and grass.

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. Higher costs and more weight are the characteristics for the intermediate vegetative green roof. The full range of landscape features and plants can be included. Applicable to the greengrid 4 inch 6 inch and 8 inch module depths.

Intensive green roofs open up the world of landscape design on the roof. This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings. Designed or semi intensive vegetative green roofs in terms of requirements fall in between extensive and intensive vegetative green roof systems. Another term for these green roofs is rooftop garden.