Modern bases for buildings are classified according to several signs. In terms of deepening, they are divided into buried and shallowed. According to the method of filling and installation, foundations are classified as monolithic and prefabricated. In other words, one base will be a single area of building material, the second will consist of several parts. By design, the base of the building can be strip, slab, columnar or pile. Depending on what place, with what soil, as well as taking into account all the characteristics of the future building, the ideal option for the foundation will be selected, which will ensure the construction of a strong basis for a long time.