With the development of industrial facilities, the number of white-collar employees has increased. With the increase in the number of employees, there was a need for interior divisions that express the corporate identities of the companies. When the interior partitions in multi-storey buildings were made with brick walls in the old ways, there occurred necessity of plaster, paint-whitewash and the difficulty for the changes in the spaces and time losses, as well as increases in the building loads. As a result of the searches, Partition Walls that eliminate all these disadvantage, have developed. Initially, these divisions were made with Wood and Paneling. Industrial advancements in the development of chipboard, glass and aluminum materials, has brought the development of today's Modern Partition Walls. WHAT IS A PARTITION WALL? Partition Walls; By dividing the spaces, create more comfortable and efficient working spaces. While doing this, there is a focus on what could be achieved with the Partition Wall. Sliding Glass Door Models First of all, should the space take the daylight, and besides, while providing the necessity of the appropriate division for the person who will work in that space, should or shouldn’t the person visually be separated from the room and other spaces? In these divisions, the number of employees and their social status are also taken into account. Naturally, Architects or Interior Architects work in large space divisions and create projects taking into account all these and many other things. Aluminum Profiles, Glass, Wood (Chipboard, Laminate, Natural Wood Coatings, Various fabrics) can be used in Partition Walls. Alternatives, such as from full walls to glass walls, are used. Blinds, which can be closed on demand, can be used automatically and manually, as well as partial or complete film coatings could be used on glass walls. See Figure 1