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A subtropical climate vegetated roof (SCV roof) is a type of green building practice that employs a planted soil media installed above a waterproof roof deck to obtain environmental benefits and address sustainability concerns, similar to traditional green roofs located in northern continental United States. Soil media, plant palettes, and ...
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 ...
Low density/high strength: Geofoam is 1% to 2% the density of soil with equal strength. [2] Predictable behavior: Geofoam allows engineers to be much more specific in the design criteria. This is very different than other lightweight fillers, such as soil, that can be very variable in composition.
The soil is sourced from Skyland, Pennsylvania, a green roof media supplier. Almost a million pounds of the blend made up of Rooflite, an engineered soil mix that contains no actual soil, has been used. [4] The stones from the Rooflite material make the soil lighter in weight and also slowly break down to add trace minerals needed for plant ...
Expanded polystyrene (EPS) concrete (also known as EPScrete, EPS concrete or lightweight concrete) is a form of concrete known for its light weight made from cement and EPS (Expanded Polystyrene). It is a popular material for use in environmentally "green" homes.
The maintenance building holds a 6,000-square-foot (560 m 2) intensive green roof utilized both as a landscape, and as a research plot. The roof has a 4:12 pitch and is designed as a multi-layered system consisting of plants, six in (15 cm) of an engineered lightweight soil, a soil retention system, root barrier, drainage mat, and waterproofing ...
Green planted roofs: A green roof is a roof that is partially or completely covered with vegetation and a growing medium, planted over a waterproofing membrane. A green roof typically consists of many layers, including an insulation layer; a waterproof membrane, often vinyl; a drainage layer, usually made of lightweight gravel, clay, or plastic ...
A green roof may not provide any recreational space and be constructed with an emphasis on improving the insulation or improving the overall energy efficiency and reducing the cooling and heating costs within a building. Green roofs may be extensive or intensive. [16] The terms are used to describe the type of planting required.