By john. Floor. Published at Monday, October 15th, 2018 - 10:29:29 AM.
Nightingale floors are floors that make a chirping sound when walked upon. These floors were used in the hallways of some temples and palaces, the most famous example being Nijō Castle, in Kyoto, Japan. Dry boards naturally creak under pressure, but these floors were built in a way that the flooring nails rub against a jacket or clamp, causing chirping noises. It is unclear if the design was intentional. It seems that, at least initially, the effect arose by chance. An information sign in Nijō castle states that The singing sound is not actually intentional, stemming rather from the movement of nails against clumps in the floor caused by wear and tear over the years. Legend has it that the squeaking floors were used as a security device, assuring that none could sneak through the corridors undetected.
Structural Problems Raised Floor Many such problems can be attributed to sub-par installation. During installation, attention should be paid to the condition of the subfloor, which should be clean of debris and should be as level as possible. The walls surrounding the raised floor should be as square as possible to minimize the need for cutting raised floor panels and to minimize rocking panels and gaps.
Raised Floor Design This type of floor consists of a gridded metal framework or substructure of adjustable-height supports (called pedestals) that provide support for removable (liftable) floor panels, which are usually 2×2 feet or 60×60 cm. The height of the legs/pedestals is dictated by the volume of cables and other services provided beneath, but typically arranged for a clearance of at least six inches or 15 cm with typical heights between 24 inches to 48 inches.
Raised Floor Design The panels are normally made of steel-clad particleboard or a steel panel with a cementitious internal core, although some tiles have hollow cores. Panels may be covered with a variety of flooring finishes to suit the application, such as carpet tiles, high-pressure laminates, marble, stone, and antistatic finishes for use in computer rooms and laboratories. When using a panel with a cement top surface the panels are sometimes left bare and sealed or stained and sealed to create a tile appearance and save the customer money. This bare application is used most often in office area, hallways, lobbies, museums, casinos, etc.
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