The tile-kiln site of Iro-dong is an underground climbing kiln and composed of kiln mouth, fire box, flues and so on.

Scratches are on the bag wall of the kiln showing the construction method. The traces of tiles that were piled inside the kiln still remain. This is the most well protected kiln made in Joseon Dynasty. The kiln worth preserving as cultural heritage since it is very important material in understanding construction and operation of a kiln.