| 摘要 |
PROBLEM TO BE SOLVED: To provide a fireproof material capable of being easily attached to a frame and the like, and an opening structure of a building.SOLUTION: A fireproof material 1 for use in fire prevention in a building opening openably/closably closed by fittings includes at least a thermal expansion material 2 with fire resistance and thermal expansibility. The thermal expansion material 2 comprises at least a first plate-like part 3, and a second plate-like part 4 that is formed integrally with the first part 3 and bent from the first part 3.SELECTED DRAWING: Figure 1 |
