Intensive and Extensive: The Two Major Types of Green Roof

From extensive green roofs, which feature a thin layer of soil and succulent plants such as sedums, to intensive green roofs, which feature much deeper soil, added irrigation, and accommodate a much more diverse range of plants, this article lays out the basics of these two main green roof varieties. The shallower, extensive variety is best suited for homeowners looking for low cost, quick installation and low ongoing maintenance requirements. Those wishing to recreate the look and feel of a ground-level garden on their roofs will want to opt for the more labor- and maintenance-demanding intensive sort.

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Intensive and Extensive: The Two Major Types of Green Roof