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Copper is a good choice for gutters and downspouts because it makes strong leak-proof joints. Gutters and downspouts made with copper are expected to outlast other metal materials and plastics. Even in corrosion-prone seacoast environments or in areas with acid rain or smog, copper gutters and downspouts can provide 50 years or more of service ...
The material has a disadvantageous coefficient of thermal expansion 0.06 mm/m°C, so design allowances have to be made. A 4-metre gutter, enduring a −5 °C to 25 °C temperature range will need space to expand, 30 × 4 × 0.06 = 7.2 mm within its end stops. [ 28 ]
The sima runs around all four sides of a building.It may be made of terracotta or stone. There are two basic types of sima: The raking sima; The lateral sima; The raking sima is continuous and generally follows the slope of the roof.
Downspouts are usually vertical and usually extend down to ground level, although may be routed at an angle to avoid architectural features and may discharge onto an intermediate roof. At the bottom of downspout there are typically features to divert discharged water away from the building's foundations to prevent water damage.
A box gutter, internal gutter, parallel gutter, or trough gutter is a rain gutter on a roof usually rectangular in shape; it may be lined with EPDM rubber, metal, asphalt, or roofing felt, and may be concealed behind a parapet or the eaves, or in a roof valley.
British engineer and architect William Fairbairn is sometimes credited with the first designs for what he termed the shed principle possibly as early as 1827. In his "Treatise on Mills and Millwork", of 1863, Fairbairn stated that, "Contemporaneous with the architectural improvements in mills [from 1827], the shed principle lighted from the roof, or the "saw-tooth" system, came into operation.
Shallow gutter typical of late 20th century North American low density suburbs Street gutter in Gamla stan (Old Town), Stockholm. A street gutter is a depression that runs parallel to a road and is designed to collect rainwater that flows along the street diverting it into a storm drain.
The ground below is paved with marble slabs and decorated with inlaid mosaic designs. [1] The design of the mīzāb has changed over the years; the current form is golden. [ 1 ] Its length is 258 cm (8.46 ft), which is included in the wall of the Kaaba, its cavity width is 26 cm (10 in), the height of each side is 23 cm (9.1 in), and its entry ...
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