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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 ...
The solar reflectance of green roofs varies depending on the plant types (generally 0.3–0.5). [32] Green roofs may not reflect as much as a cool roof but do have other benefits such as evapotranspiration which cools the plants and the immediate area around the plants, aiding in lowering rooftop temperatures but increasing humidity, naturally.
There are two types of solar water systems: active and passive. An active solar collector system can produce about 80 to 100 gallons of hot water per day. A passive system will have a lower capacity. [21] Active solar water system's efficiency is 35-80% while a passive system is 30-50%, making active solar systems more powerful. [22]
The roof of an earth shelter may not be covered by earth (earth berm only), or the roof may support a green roof with only a minimal thickness of earth. Alternatively a larger mass of earth might cover the roof. Such roofs must deal with significantly greater dead load and live load (e.g. increased weight of water in the earth after rain, or snow).
The roof is supported by an innovative series of hinged-arch trusses built out of two-by-four and two-by-six framing members. There is no ridge pole, although there is the appearance of one both inside and outside; [6] the roof is effectively supported by the main roof section being counterbalanced by the extended eaves. The system allows for ...
Flat layered stone roofs are called argillite (germpanam), on the roof in the much coal produced area; it takes a role of giwa. Giwa is formed in this way. Bluestone (cheongseok) is so smooth as to control raindrops gently. Its system is not different from giwa's. The bluestone is put at the bottom, and then largely different bluestone is put ...
Green roofs symbolize bamboo shafts, which in turn represent youth and longevity. [ 50 ] North and west walls, front chamber of cave 9, showing "Ionic" capitals on north wall, late 5th century [ 51 ] Patterns, decoration, elaboration, and ornament: all signatures dating back to Chinese architecture from the 5th and 6th century.