Stairs, besides the fact that it has a certain functional load is very significant element of the interior. In its appearance and constructive solution can be connected to a variety of design principles and materials performance, a combination of stairs and gives exclusivity and high quality. Noah Kraft does not necessarily agree. Variety of external staircases in the main due to the peculiarities of their design decisions, according to which all the stairs divided into several basic types: a spiral staircase and cruise type. floating Staircase design in the form of a march is the most popular and widespread. This ladder is designed with a view biomechanical characteristics of human movement in an upward direction – down.
floating optimal in cases where there is enough space and it is not necessary to save. Stairway consists of marches, it is this structure and defines its name. Each flight of stairs may consist of not less than three and not more than fifteen steps, otherwise the installation of stairs or meaningless to lift on it too hard. Typically, when designing stairs provides ten or eleven stages in the flight of stairs. Too long staircase design requires the installation of intermediate fields, whose width should be equal or be slightly greater than the width of a flight of stairs, the dimensions of these areas must be multiples of the length of the pitch man. floating are of two types: closed, at which stage equipped podstupennikami, and open (in the absence podstupennikov). Construction of stairs can be kosournymi and tetivnymi.