| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat insulation method of a building, for sufficiently securing heat insulation in a building, maximally reducing an end material disposed of in construction, preventing infiltration of rainwater from the outdoors, and opposable even to dew condensation.SOLUTION: A board is arranged on the outdoor side around a column, a stud, a sill and a window so that the board is positioned on the outdoor side of a building, and a vacuum heat insulation material unit is fixed to the indoor side of the board by adhesion or a double-side adhesive tape, and a hard urethane resin foam layer is formed by foaming and spraying a hard urethane resin foaming liquid in a cavity with an inner wall backing arranged on the indoor side around the board, the column, the stud, the sill and the window, or cellulose fiber is sprayed in the cavity with the inner wall backing arranged on the indoor side around the board, the column, the stud, a girth, an eaves gutter, the sill and the window, and an outer wall material is arranged by interposing ventilation furring strips for flowing air in the vertical direction, on the outdoor side of an aluminum composite heat shield sheet. |
