| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof structure that can secure sufficient air permeability between a sheathing roof board and a roof material.SOLUTION: An irregularity roof material 11 having alternately a protrusion 12 opening downward and protruding upward and a recess 13 opening upward and recessed downward in eaves direction is provided on a sheathing roof board 4. A ventilation space 17 is formed between the protrusion 12 of the irregularity roof material 11 and the sheathing roof board 4. The irregularity roof material 11 has an extended margin part 18 located on the outdoor side with respect to the eaves-side end edge of the sheathing roof board 4 in eaves ridge direction. The lower opening of the protrusion 12 in the extended margin part 18 is an introduction port 19 to the ventilation space 17. |
