KOKERA BUKI 杮葺 is a way of roofing system. it consists of many thin wooden boards.
The history began next KAYA BUKI. The roofing system KOKERA BUKI 柿葺 had been used since Heian era (平安時代 794-1185).
It make roof shape can be free, It was used for upswept temple roofs(*1).
Sometimes KOKERA BUKI roof in wooden area got mosses on the surface(*2). It makes harmony between the architecture and the environment.
*1 ENKAKU JI SHARIDEN 円覚寺舎利殿