Sliding doors are very popular among homeowners in Perth and Australia. This is a type of door that opens horizontally by sliding parallel to the wall. It is said that this sliding door was seen by the Romans in the first century. 

Sliding cupboard doors in Perth are often used to provide secure access to outdoor spaces, fresh air and natural light. It is usually a single unit but consists of two-panel sections – one mounted and the other removable, allowing it to be opened. These sliding doors open horizontally and are mounted on a wall or suspension rail.

Sliding glass doors rose to prominence as one of the essential elements of pre-war international style architecture. Even after the war, it became a standard element in housing and hotel construction in many regions and countries. 

Even today and in many other countries we still enjoy this old world design as many use it as the front door, bathroom door, wardrobe door etc.

Sliding doors also have the term "manual". The left door will open on the left, while the right door will open on the right. These are usually represented by the letters O and X. The letter O is used to define the fixed sash and X for the sliding sash. This allows doors with more than two wings to be described.