The present invention waterproof , it will provide a building foundation material having a high concentration of borate coating that combines anti-termite effect . In A reinforced concrete 4 and building foundation material using wood or the like , on which was sufficiently penetrated from the top of the waterproof surface 1 are assigned applied or sprayed with a high concentration of the coating agent of the borate is further piled the combined coating and ( spraying ) to form a borate coating 2 .BACKGROUND .【課題】防水、防蟻効果を併せ持つ高濃度ホウ酸塩被膜を有する建築基礎材を提供する。【解決手段】鉄筋コンクリート4や木材等を用いた建築基礎材において、防水加工面1の上から高濃度のホウ酸塩系の塗布剤を塗布又は吹付けて十分に浸透させた上で、更に重ね合わせ塗布(吹付け)して、ホウ酸塩被膜2を形成する。【選択図】図1
