What is the difference between an extensive and an intensive Green Roof?
An Intensive Green Roof could be thought of as a Garden on a roof with lots of shrubs, flowers even trees along with walkways and flowerbeds. At Sussex Green Roofs we would only really suggest this kind of Green Roof on a new build home designed specifically for this or on a commercial building due to the size and strength requirements of the structure Click here to return to top An Extensive Green Roof is much simpler, is low maintenance, much cheaper but can bring the same aesthetic qualities bringing colour and natural habitat to an urban environment. We use Hertalan EPDM as the waterproofing membrane which is totally root resistant. Over this is laid a protective moisture matt which sits below a drainage and water retention board, another layer of moisture matt and then the growing medium/substrate. There are then several options: The quickest is to lay a sedum blanket which already has a collection of plants, ferns, mosses and small flowers. The second is to plug plant, this enabl
