| 摘要 |
PROBLEM TO BE SOLVED: To provide a building panel capable of preventing deformation even when force is applied from an indoor side, while maintaining rigidity of the whole panel body.SOLUTION: A building panel of the present invention has a core material 4 infilled between indoor-side and outdoor-side metal skins 11 and 12. A plurality of reinforcement ribs 15, which continue along a longitudinal direction of a panel body 1 and that are lined in a width direction of the panel body 1, are provided on the core material 4 side surface of the indoor-side metal skin 11. The reinforcement rib 15 is formed by folding the indoor-side metal skin 11 in such a manner that it protrudes to the side of the core material 4. |
