Abstract
Thatched roofs are changing into fireproof roofs along with the inprovement of economic conditions.
Thatched roofs are still remained in mountainous Nishiaizu and tiled roofs are much in Castal lowland and coloured zinc roofs are in Aizu basin or in Abukuma River Basin (Fig. 2).
Change of roofs into incombustible happened earlier in plain district than in mountain distrct (Fig. 3).
