The Japanese may actually be the first people to use what we refer to today as sliding closet doors. These doors essentially follow the commonly accepted definition of a door that moves sideways or in an up and down motion. They still serve the same purpose as they did then, to manage space, provide ease of use and highlight or disguise internal or external features of a structure.
Homes today have a variety of materials used throughout. Manufactures recognize this and have expanded options to include materials that fit nearly any placement. Some of the more popular materials today include wood, metals, aluminum, vinyl, iron resins and man-made surfaced materials.
Further your gate should be designed in a way that it must not be easily accessible by intruders, especially dangerous ones like burglars and thieves. You need to achieve a fine balance of artistic appeal and robust security, as both these factors are of great significance in the long run. Besides, doors are not something that you can remodel or change very frequently, as the whole process is very time consuming and expensive. So it is very necessary that you take your decision and make choices carefully, without any haste or hurry.