The advantages of the light steel structure system, which provide much more flexible usage areas, the possibility to easily implement all kinds of classical and modern architectural projects, the alternative richness in interior and exterior coatings, its ability to meet the maintenance, renewal and change requests, are the advantages that provide real comfort to the users. Steel; With the technical and material possibilities it offers, it ensures that the interior and exterior aesthetics and comfort of all the buildings it is applied to are at the maximum level. Steel is a global revolution in the industry ... The usage rate of structural steel in the construction industry in the world reaches 60%. Although Turkey ranks 11th in the world in steel production and 3rd in Europe and the steel industry has the capacity to produce 7 to 10 million square meters of construction area, structural steel is used in only 5% of the construction in our country. This rate is very low compared to other countries. The rate of steel usage in residences in Turkey, on the other hand, falls down to 0.5%. This rate is 54% in England, 40% in Scandinavian countries, and at least 30% in countries such as France and Germany where reinforced concrete use is common. While this rate reaches 90% in industrial buildings, it is only 30% in Turkey. *