PROBLEM TO BE SOLVED: To have the greatest protective effect against insects of dry woody material vermins, such as Lyctus brunneus in producing wood building materials of a woody floor plate, a woody wall, woody fittings, a stair plate or the like, wherein the quality or workability are not reduced with the minimum using of an agent.SOLUTION: In the wood building material which is manufactured such that a coating is made to adhere to the surface of a wood base material, the wood building material with very high protective effect against insects is obtained by making an insecticide exist between the woody base material and the coating, and thereby the subject is solved.COPYRIGHT: (C)2012,JPO&INPIT【課題】木質床板、木質壁板、木質建具または階段板などの木質建材を作製するにあたり、その品質や作業性を低下させず、最低限の薬剤使用で、ヒラタキクイムシなどの乾材害虫から最大の防虫効果を上げることが本発明の課題である。【解決手段】木材基材の表面に被覆物を付着させて製造する木質建材において、木質基材と被覆物との間に防虫剤を存在させることによって非常に防虫効果の高い木質建材になり、上記課題を解決することができる。【選択図】なし
