STRUCTURE OF OPENING OF BUILDING, EXECUTION METHOD FOR OPENING, AND ORNAMENTAL FRAME

摘要

PROBLEM TO BE SOLVED: To effectively inhibit condensation liquid water from intruding into a wall material in an opening of a building. SOLUTION: A structure of the opening 10, which passes through an exterior wall of the building, is equipped with: an ornamental frame 12 which is arranged at an inner peripheral edge of the opening 10 along an indoor-side edge of the building; and a back-filling material 30 which is interposed between the ornamental frame 12 and the inner peripheral edge of the opening 10 on the backside of the ornamental frame 12, and has easiness of deformation, imperviousness to water and heat insulation properties.