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Roll shutters on windows. Security roller shutters in a dead mall. 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 ...
Since that time, its product range has expanded to include wooden interior doors, canopies, steel sheet doors, door frames, interior and exterior entrance doors, manual and drive-driven industrial door systems, and state-of-the-art fire protection and multifunctional door systems for commercial real estate.
VEKA AG is a German extruder of uPVC profiles for use in windows, doors, roller shutters and sliding doors headquartered in Sendenhorst, Germany. [1] Founded in 1967 as a manufacturer of shutters, it currently operates its own extrusion facilities in twelve countries.
The door slab is mounted to roller and a track at the top of the door and slides inside a wall. Sliding glass doors are common in many houses, particularly as an entrance to the backyard. Such doors are also popular for use for the entrances to commercial structures, although they are not counted as fire exit doors.
Window shutter, a solid window covering used for light control, privacy, security, protection against weather, and to enhance the aesthetics of a building; Roller shutter, a type of door or window shutter mainly used in retail shops, warehouses, and other facilities
A typical single-car garage roller door has a preloaded spring inside the rolling mechanism. The spring reduces the effort required to open the door. Oversized roller doors in commercial premises are not sprung (except in the US), and a manual pulley and chain system or a geared motor is used to raise and lower (roll up and roll down) the door ...
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