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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.
Doors (5 C, 64 P) T. Torii (5 P) Triumphal arches (2 C, 22 P) Pages in category "Types of gates" The following 47 pages are in this category, out of 47 total.
A gate or gateway is a point of entry to or from a space enclosed by walls. The word derived from old Norse "gat" [ 1 ] meaning road or path ; But other terms include yett and port . The concept originally referred to the gap or hole in the wall or fence, rather than a barrier which closed it.
A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions. Door ...
The term window shutter includes both interior shutters, used on the inside of a house or building, and exterior shutters, used on the outside of a structure. On some styles of buildings it is common to have shutters to cover the doors as well as the windows. [1]
Sectional-type steel with exterior cladding overhead garage doors in the style of old carriage house doors. A common material for a new garage door is a steel sheet formed or stamped to look like a raised panel wooden door. Steel doors are available in uninsulated, insulated, and a three-layer door, also known as a sandwich-style door.
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Portcullis at Desmond Castle, Adare, County Limerick, Ireland The inner portcullis of the Torre dell'Elefante in Cagliari, Sardinia, Italy A portcullis (from Old French porte coleice 'sliding gate') is a heavy, vertically closing gate typically found in medieval fortifications. [1]