Japanese Classification of Wooden Building Members for ISO Use Classes according to the Building Code in Japan.

IRG/WP 06-20337

K Suzuki

Because of the international approve of use class system for the biological degradation of wood by ISO/DIS 21887 and ISO/DIS 21892, Japanese committee of ISO/TC165/SC1 asked to the JWPA for classify the wooden commodities by use class of these draft ISO. The JWPA was prepared a draft use class model in Japan. Japanese building code systems are described and Japanese draft use class system is also described.

Keywords: ISO, use class, commodity, preservative treatment, timber durability, building code, Japan

Conference: 06-06-18/22 Tromsoe, Norway

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