In medieval times, the roofs of buildings other than temples, such as Gosho (Imperial Palace) of emperors and Seii taishogun (literally, "great general who subdues the barbarians") were often covered with Hiwada (bark of Japanese cypress) again.
中世になると、再び、寺院以外の天皇や征夷大将軍の御所の屋根も桧皮で葺かれることが多くなる。