The roof is an important factor that determines the shape and order of hanok. Hanok roofs are built with various materials and shapes.
As a house with roof tiles made with burned soil on the roof, is often seen in middle and upper class houses. Usually, black roof tiles made of loam were commonly used, but in houses with high status people, the roof was connected with blue roof tiles, created using blue glaze.
This is a house with a roof made by connecting rice straws and wheat straws. Because it is well insulated, it is cool in summer and warm in winter. However, it rots easily and has the inconvenience that it must be changed every year or two. Thatched houses were representative Korean houses of the common people from the prehistoric period to the Joseon period.
As a house with roof made with wood and stone plates that are easily found in the mountains, it can be found in mountainous areas where trees are easy to obtain. On sunny days, the roof material shrinks for good ventilation, and on rainy days, it absorbs moisture and prevents rainwater from leaking.
It has the simplest roof structure. There are two roof faces facing each other, and instead of a roof on the side, there is a triangular wall called a barge board. It is usually seen in simple buildings such as servants' quarters and barns or in shrine buildings.
Paljak refers to a roof in which the upper part of the roof on both sides of a hipped house is cut vertically. In this case, the triangular shape of the vertically cut part is called the gable. If the gabled roof features a solemn and reverent characteristic, the hipped-and-gabled roof gives off a glamorous characteristic. As such, it is the most colorful and decorative and can be found in important buildings in the palaces and Buddhist architectures, and in the main houses and detached houses in residential architectures.
It is a house that has a sloped roof on all four sides, the front and rear, left and right of the facing roof. It has a trapezoidal shape when viewed from the front and back of the roof, and a triangular shape from the side. In Korea, it has been used a lot in private houses and thatched houses, where formality is not very important.