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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. Hurricane shutter - Wikipedia

   en.wikipedia.org/wiki/Hurricane_shutter

   Hurricane shutters are used to prevent windows from being broken by flying objects during a storm. Although the negative pressure caused by high-speed wind flowing over a building roof can cause the roof to fail with the building envelope intact, broken windows allow the air pressure to rise inside a building , creating an even greater pressure ...

4. Engawa - Wikipedia

   en.wikipedia.org/wiki/Engawa

   In Shoin-style buildings, the positioning of the engawa varied more, and the storm shutters slid rather than being hinged (usually horizontally). The modern Sukiya-style of building uses amado , storm shutters that not only slide but pack away in a cupboard called a to-bukura by day; unlike the Shoin-style shutter, these generally run on the ...

5. Vinyl composition tile - Wikipedia

   en.wikipedia.org/wiki/Vinyl_composition_tile

   Vinyl floor tiling. Vinyl composition tile (VCT) is a finished flooring material used primarily in commercial and institutional applications. Modern vinyl floor tiles and sheet flooring and versions of those products sold since the early 1980s are composed of colored polyvinyl chloride (PVC) chips formed into solid sheets of varying thicknesses (1 ⁄ 8 in or 3.2 mm is most common) by heat and ...

6. Sheet vinyl flooring - Wikipedia

   en.wikipedia.org/wiki/Sheet_vinyl_flooring

   Its escape into the environment is a concern. Other ingredients in vinyl flooring vary widely, and some are harmful. The thickness of the sheet and the wear layer determines the durability of the floor; unlike linoleum, vinyl flooring is usually not homogeneous, and once it wears through the print layer, it will be obviously damaged.

7. Storm window - Wikipedia

   en.wikipedia.org/wiki/Storm_window

   They are inexpensive, and can reduce heat loss by up to 50%, increasing the building's comfort and reducing the heating costs. They also reduce exterior air infiltration significantly. Storm windows are an inexpensive add-on: even the best storm windows—three track exterior windows with low thermal emission —will cost a small fraction of ...