| 摘要 |
PROBLEM TO BE SOLVED: To improve the ventilation performance of a ventilation ridge construction and provide good waterproof performance, productivity and workability. SOLUTION: A chevron-shaped ventilation ridge tile 1 having a vent hole 12 provided longitudinally at the apex of main body or side faces at both the sides of apex of main body is attached and fixed to a ventilation cover body 3 at the opening 2 of the ridge portion of roof sheathing board, the ventilation cover body 3 has a bracket metal 31 together with a vent hole 6, and the ventilation ridge tile 1 is attached and fixed to a bracket metal 31 of a ventilation cover body 3 at its main body 11 and covers the ventilation cover body 3 as in the ventilation ridge construction.
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