Extensive Green Roof Section

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Extensive green roof section.

The growing medium depth for an extensive green roof system is typically 6 inches or less. A properly designed and installed extensive green roof system can cost 108 248 m 2 10 23 sq ft while an intensive green roof costs 355 2 368 m 2 33 220 sq ft however since most of the materials used to build the green roof can be salvaged it is estimated that the cost of replacing a green roof is generally one third of the initial installation costs. Extensive green roofs are generally made up of a very thin layer of soil or other planting medium with shallow root plants like sedum mosses and grasses. The modular units are often plastic or metal trays filled with growing medium.

Nophadrain extensive green roof system. The planting medium in extensive green roofs ranges from 1 6 to 6 inches deep and while deeper systems have been installed they are not favored as much as the shallower systems drought tolerant sedums succulent plants and grasses are the typical plants used since they are shallow rooted and use little water plant diversity on these roofs is kept low to simplify care and to be sure all plants have similar moisture requirements. Moisture retained by media that cannot be removed aka wilt point 12 18 typ. Some green roofs are installed in one large integrated section while modular green roofs use small portable planting beds placed together to create a larger green roof.

31 0 45 820 09 70 verkoop nophadrain nl. 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. Moisture retained by saturated media after free draining 40 60 typ. Cad drawings extensive green roof.

The intensive green roof system is a modern concept allowing people to be present and enjoy in the environmental friendly way of bonding with all the plants and trees present. Vegetative roofs are divided into two categories.