The shutter door is a door or window that consists of a number of horizontal bars (or sometimes strip or mesh systems) that are hinged together. On the door, the action may be maneuverable. It provides weather protection and protects windows from vandalism and burglary.

Rolling shutter doors have many applications, including vans, garages, kitchens, schools, prisons and warehouse doors. In some parts of the world, rolling shutters are subsidized by local governments due to inherent safety concerns. In areas that are frequently exposed to inclement weather, the rolling door is used as an insulation method and the window can be protected from hail damage.

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