Windows and doors are very important in terms of functionality because they are the opening and closing devices for entrance, ventilation, and draft installed on the interior and exterior walls of a hanok. In addition, since most of the front and rear walls of a hanok are composed of windows, windows are also very important in terms of decoration. In general, those installed to enter and exit a building are called doors (ho), and those installed for the purpose of receiving light, viewing scenery, and ventilating are called windows (chang). In the construction of hanok, wood is mainly used as material for the windows and doors, and joiners are in charge of this work. Window and door construction is carried out after plastering wall construction and wainscot construction. The wainscot is generally woven at the height of the doorplate under the window, and this height becomes the height of the window. There are two types of windows and doors, panmun and salmun. Panmun is a type that is vertically woven with planks side by side, and salmun is a woven type with window paper or silk on the back. For salmun, slender frame windows are representative and floral lattice windows were used in temples and palaces.
The ceiling is an interior finishing to cover the roof surface, and it is divided into Yeondeung ceiling and decorative ceiling.
Yeondeung ceiling is a structure that becomes the ceiling as it is, and is generally used in open spaces such as the main hall or upper floor.
The design ceiling is a ceiling constructed separately from the structure, and a representative one is the coffered ceiling. The coffered ceiling, in the same as checkered maru is created, is made of long floor joists and common floor joists in a grid with insertion of floor boards. It is mainly used in palaces and temples, and is also decorated with paintwork.