Study on weatherbility of wood coating materials for historic property building

Part3 Test Results of Outdoor Exposure after 7 years

Abstract

I performed an outdoor exposure examination and, about the wood protection painting materials used for outdoor parts of a wooden landmark architecture such as castles, evaluated weatherability. I did the specimen with six kinds of plans of three kinds of wood protection paint with glue and powdered charcoal, persimmon tannin and powdered charcoal, persimmon tannin and powdered ferric oxide, three kinds of traditional wood protection painting materials that I mixed. I report a result until 7 years.