The windowsill can be made of a variety of materials — wood, plastic, artificial or natural stone, chipboard and MDF. Window sills can have different use goals: small indoor kindergarten or working surface. Window sills make the process of opening and closing windows easier, and also prevent condensate from the glasses to the surface of the walls and floor. Window sills hold the heat inside the room and do not let cold air from the street. External window sills (ebbs) are installed from the street. They contribute to the outflow of rainwater. Such window sills have a 9-40 cm width. Also, do not forget to install the interior doors of Kyiv, they are suitable for any interior.