METHOD OF PRODUCING WOODY BOARD AND WOODY BOARD

摘要

PROBLEM TO BE SOLVED: To provide a method of producing a woody board 1 which takes the global environment into consideration and achieves both excellent strength properties and reduction of the formation time and a woody board 1 which is suppressed in occurrence of mold and has water resistance.SOLUTION: A method of producing a woody board 1 comprises arranging, at least on the surface of a core layer 2 adhered with a plant chip, a surface layer 3 adhered with another plant chip finer than the plant chip of the core layer 2 or a plant fiber and adhering the surface layer with an adhesive. A petroleum-originated adhesive is used as the adhesive for adhering the plant chip of the core layer 2, and a plant-originated adhesive is used as the adhesive for adhering the plant chip or the fiber of the surface layer 3.