Planted Roof Section

Herbaceous or shrubby species which use more water than succulent species will be more effective plant choices.

Planted roof section.

Department of energy reported that most extensive planted roofs often do not require additional structural support. Often found in coastal areas and favouring dry sandy soils sea thrift is well suited as a green roof plant. A grassy plant producing long stems of pink or white flowers in summer at its prime sea thrift can look stunning growing on a roof. Green roofs can range from roof gardens with raised beds and pots to rolled out green carpets to shed roofs containing planting cells that are filled with soil or compost and planted up with low growing perennials and grasses.

Roof terrace constructed over block and beam. This cad model is saved in autocad 2004 dwg format. A planted roof is a system just like mechanical or plumbing and should be thought about in the larger context of the holistic building. Extensive systems weigh anywhere from 10 to 25 pounds per square foot when dry which is why the interlocking system of trays is important otherwise strong winds could very easily blow the plantings away.

If a roof is designed to soak up water and remove contaminants in the water during storm events species that use water effectively and that accumulate nutrients should be explored. As it is rare for an owner to have excess funds dedicated to beautifying a roof the design team must think about all the benefits and how they relate to the overall systems of the building. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. Free cad drawing download of green roof sections for use in architectural detail design cad drawings.

Plant selection for stormwater management. Pitched turf roof. Sea thrift seen here growing on a cliff top is well adapted to the harsh conditions of a green roof. The weight added by an extensive planted roof is comparable to that of the gravel ballast on a conventional roof about 15 to 30 pounds per square foot depending on the growing medium the depth of the growing medium and the weight and depth of any additional.

For further information about the benefits and construction of green roofs see our green roofs section. A more traditional planted roof of built up layers is also common but the tray system offers much more flexibility and comes pre planted with mature specimens.