The interior doors in an apartment or house perform not only their basic functions of delimiting space, but are also the most expressive detail in the interior being created. For the production of interior doors from solid wood, the most commonly used array of oak, pine, ash, beech, walnut, mahogany. Each material has its own unique properties. Therefore, interior doors made from arrays of different types of wood differ from each other in appearance, production technology, duration of operation and final cost. However, we do not need to know all the nuances of the process. Typically, the consumer evaluates the door solely in appearance. Therefore, recommendations and advice of qualified consultants are of great importance. They provide the necessary information that helps customers make the right choice.