Opening structure and opening construction method

摘要

PROBLEM TO BE SOLVED: To provide an opening structure capable of enhancing the design of an internal view without significantly increasing the construction work, without deteriorating the lighting performance or feeling a short circuit of airflow when viewed from the indoor side. Provide an opening construction method. SOLUTION: An opening structure 1 is arranged in an outer wall opening 7 formed in an outer wall panel 3, an outdoor frame 8 formed on the peripheral edge of the outer wall opening 7, and an outer wall portion 8. A ventilation fan unit 9 having an exhaust port 26 on the outdoor side of 2, a window unit 10 arranged in the frame of the outdoor frame 8 under the ventilation fan unit 9, and an inner wall opening 27 formed in the inner wall panel 4. And a window frame 26 formed on the peripheral edge of the inner wall opening 27, the window unit 10 is arranged in the frame of the window frame 26 and is exposed to the indoor side, and the ventilation fan unit 9 is the window frame 26. It communicates with the intake opening 28 formed in the inner wall panel 4 above. [Selection diagram] Fig. 4