| 摘要 |
PROBLEM TO BE SOLVED: To provide a flat roof ventilation structure capable of easily ensuring reliable ventilation with the upper end of an outer wall positioned as close to the flat roof as possible.SOLUTION: The flat roof ventilation structure includes: a steel beam 2; a supporting metal 5 which is fixed to the steel beam 2 to support roof materials 11 and 12 of a flat roof 1; an outside air communication path 6 which is formed to pass through the supporting metal 5 above an outer wall panel 3; an outside air intake port 61 which is formed in a wall surface 31 upper than the top end of the outer wall panel 3; an attic space ventilation path 62 communicating with the outside air communication path 6 through an opening formed in the steel beam 2; and a refractory material 64 covering the steel beam 2 and the opening.SELECTED DRAWING: Figure 1 |
