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Modern louvers are often made of aluminum, metal, wood, or glass.They may be opened and closed with a metal lever, pulleys, or through motorized operators. [3]The Australian Standard specifies requirements for the construction of buildings using louver in bushfire-prone areas in order to improve their resistance to bushfire attack from burning embers, radiant heat, flame contact and ...
Operable louvered shutters have louvers (or louvres in British usage), or slats, controlled by a tilt bar or rod to adjust the louver position and keep them in a uniform position, to control light, visibility and airflow. Shutters with operable louvers are described variously as traditional shutters, California shutters, or plantation shutters.
Joseph W. Walker of Malden, Massachusetts, applied for a US patent for a basic louvered window in 1900.He was issued patent no. 687705 on November 26, 1901. [5] A popular hand-cranked glass, aluminum and screen window combination was later designed by American engineer Van Ellis Huff and found widespread use in temperate climates before the advent of air conditioning. [6]
In cities, shutters provided privacy screens for the residents. [citation needed] Louvered upstairs shutters were often later additions to the home. This article describes the evolution of early exterior window shutter hardware, terms and terminology related to shutter hardware and blacksmithing, and American regional styles of installation.
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A roller shutter and window combined as a single unit. Roller shutter with tilting louvres A roller shutter with laths that tilt, similar to an external venetian blind. Manual With gear drive from the shutter roller traced through the building facade to a universal joint on the room side that is operated by a cranked winding handle. Manual tape
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