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2. Sliding door - Wikipedia

   en.wikipedia.org/wiki/Sliding_door

   Some sliding doors run on a wall-mounted rail, like this one Sliding doors in a modern wardrobe. The 'top-hung' system is most often used. The door is hung by two trolley hangers at the top of the door running in a concealed track; all the weight is taken by the hangers, making the door easier to move.

3. Roller shutter - Wikipedia

   en.wikipedia.org/wiki/Roller_shutter

   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 it and lowering it to close.

4. Sliding glass door - Wikipedia

   en.wikipedia.org/wiki/Sliding_glass_door

   Sliding glass door frames are often made from wood, aluminum, stainless steel, or steel, which also have the most strength. The most common material is PVC plastic. Replacement parts are most commonly needed for the moving-sliding parts of the door, such as the steel rollers that glide within the track and the locking mechanisms.

5. Garage door - Wikipedia

   en.wikipedia.org/wiki/Garage_door

   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 ...

6. Door - Wikipedia

   en.wikipedia.org/wiki/Door

   A tambour door or roller door is an up-and-over door made of narrow horizontal slats that rolls up and down by sliding along vertical tracks; it is typically found in entertainment centres and cabinets. Rebated doors, a term chiefly used in Britain, are double doors with a lip or overlap (i.e. a rabbet) on the vertical edge(s) where they meet.

7. Window shutter - Wikipedia

   en.wikipedia.org/wiki/Window_shutter

   Some exterior shutters in Italy, such as in towns along the Adriatic coast, slide on rollers into pockets in the wall at each side of the window. In Germany and other parts of Europe, rolling exterior shutters on tracks have become ubiquitous. When open, these type shutters roll up into boxes concealed in the thickness of the wall above the window.