| 摘要 |
PROBLEM TO BE SOLVED: To provide a fireproof treatment material, which enables construction to be easily performed without the need for directivity for the construction, a closed structure of a penetration part, and a method for closing the penetration part.SOLUTION: A fireproof treatment material 11 comprises a flat block-like treatment material body 12, and expanded graphite is dispersed throughout the treatment material body 12. The fireproof treatment material 11 comprises a cover body 13 having a metal layer 13b, and the cover body 13 covers the whole surface of the treatment material body 12 in a state in which the metal layer 13b is exposed on a surface. |
