To provide a heat insulation work execution method not requiring much time and labor.
The heat insulation work execution method comprising the step of installing, on a structural face material, a vacuum heat insulation material made by covering, from the top and bottom sides, a plurality of plate-shaped core materials arranged two-dimensionally without overlapping each other with two flexible sheathing sheets comprising a laminate film to individually seal in vacuum the core materials in independently closed spaces comprises the steps of placing one face of the vacuum heat insulation material 14 opposite to the face of the structural face material 12a onto which the vacuum heat insulation material 14 is to be installed and driving a nail 19 or a bolt to the weld section of the vacuum heat insulation material 14 where the top and bottom sheathing sheets are welded and bonded to each other to fix the vacuum heat insulation material 14 to the structural face material 12a.
COPYRIGHT: (C)2007,JPO&INPIT
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