Intensive Green Roof Design

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.

Intensive green roof design.

The full range of landscape features and plants can be included. 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. An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. The growing medium depth for an extensive green roof system is typically 6 inches or less.

This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings. Higher costs and more weight are the characteristics for the intermediate vegetative green roof. Designed or semi intensive vegetative green roofs in terms of requirements fall in between extensive and intensive vegetative green roof systems. 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.

Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied. Another term for these green roofs is rooftop garden. The intensive green roof uses planting mediums that have greater depth than the extensive green roof. Applicable to the greengrid 4 inch 6 inch and 8 inch module depths.