METHOD OF MANUFACTURING NONCOMBUSTIBLE WOOD

摘要

A method of manufacturing noncombustible wood capable of maximizing the amou nt of noncombustible agent used to impregnate the wood therewith, completely fulfilling the requirements of the Building Standard Law for noncombustible wood, and being manufactured rather easily, comprising three times of drying steps for drying the wood (for example, board material B), two times of decompressing steps for decompressing the wood, two times of decompressed impregnation steps for impregnating the wood with noncombustible treatment agent in decompressed state, and two times of pressurized impregnation steps for impregnating the wood with the noncombustible treatment agent in pressurized state.