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2. Roller shutter - Wikipedia

   en.wikipedia.org/wiki/Roller_shutter

   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 ...

3. Rolling shutter - Wikipedia

   en.wikipedia.org/wiki/Rolling_shutter

   Rolling shutter. A Eurocopter EC-120 helicopter – the rotor blades seem to be swept back more than usual due to the rolling-shutter effect. Rolling shutter is a method of image capture in which a still picture (in a still camera) or each frame of a video (in a video camera) is captured not by taking a snapshot of the entire scene at a single ...

4. High-speed door - Wikipedia

   en.wikipedia.org/wiki/High-speed_door

   High Speed Doors are an evolution of the traditional roller shutter door (hence the alternative name they are often given of Rapid Roll Doors). They are primarily designed to give higher operating speeds, improved sealing and sustain a higher number of opening & closing cycles than traditional roller shutters, without compromising reliability ...

5. Fire door - Wikipedia

   en.wikipedia.org/wiki/Fire_door

   A fire door is a door with a fire-resistance rating (sometimes referred to as a fire protection rating for closures) used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartments of a structure and to enable safe egress from a building or structure or ship.

6. Garage door - Wikipedia

   en.wikipedia.org/wiki/Garage_door

   Garage Door Hardware. A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or counterbalanced to offset the door's weight and ...

7. Hörmann - Wikipedia

   en.wikipedia.org/wiki/Hörmann

   Rolling shutters and rolling grilles made of steel and aluminium Hörmann KG Eckelhausen, Germany Entrance doors and canopies, multi-purpose doors as well as fire-rated doors and smoke-tight door assemblies made of aluminium, windows made of aluminium Hörmann KG Freisen, Germany