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A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open it and lowering it to close.
At about this time, metal grilles started to be used at night to allow passersby to view the goods on display. Metal roller shutters were introduced in the late 1970s and early 1980s as a response to street riots throughout the United Kingdom, but now there are alternative solutions for the security of shops. [2]
Both the International Building Code (IBC) and the International Residential Code use the criteria set forth in ASTM E1886 & E1996 with regards to hurricane building material product approval. These test method norms describe the standardized tests to measure the impact resistance of a shutter and its resistance to cyclic wind pressure.
Some exterior shutters in Italy, such as in towns along the Adriatic coast, slide on rollers into pockets in the wall at each side of the window. In Germany and other parts of Europe, rolling exterior shutters on tracks have become ubiquitous. When open, these type shutters roll up into boxes concealed in the thickness of the wall above the window.
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Window shutters of house in village Casso, province of Pordenone, Friuli, Italy showing strap hinges (2018-12-08) Window shutter hardware, usually made of iron, are hinges and latches that attach to the shutter and a window frame (and in some cases directly attached to stone or brick). The hinges hold the shutter to the structure and allow the ...
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