BASE WALL STRUCTURE AND CONSTRUCTION METHOD THEREOF

PROBLEM TO BE SOLVED: To improve a junction base material and a base wall structure strength.SOLUTION: A base wall structure is formed by butting end parts of multiple gypsum boards 4 on a base frame material such as a muntin 5 and a cross rail 6. A junction base material 1 made of a plane steel plate material is disposed on a back face of a butting end 4a of the gypsum board 4. When an end of the gypsum board 4 is bonded to the junction base material 1, an end rear face of the gypsum board 4 is bonded to the steel plate material with an adhesive, then the gypsum board 4 and the junction base material 1 and/or the base frame material are fixed with a screw.SELECTED DRAWING: Figure 1 【課題】接合用下地材の改良と下地壁構造体の強度の向上を図る。【解決手段】縦桟5及び横桟6等の下地用骨組材に、複数枚の石膏ボード4をそれらの端部が突き合わせ接合されるようにして形成される下地壁構造体において、前記石膏ボード4の突き合わせ端部4aの背面に平板状の鋼板材からなる接合用下地材1を配設し、前記接合用下地材1に前記石膏ボード4の端部を接合する際に、接着剤を用いて石膏ボード4の端部裏面を鋼板材に貼り付け、その後石膏ボート4と接合用下地材1及び／又は下地用骨組材とをビス止めしたことを特徴とする下地壁構造体である。【選択図】図１