noun
Describes materials, containers, or structures resistant to fire. Used as a noun in Japanese, often in compound terms like ファイアプルーフ金庫 (fireproof safe).
この書類はファイアプルーフの金庫に保管してください。
Please store these documents in a fireproof safe.
耐火 is the standard Japanese term for fire resistance, used in compounds like 耐火金庫 (fireproof safe). ファイアプルーフ is a less common English loanword with a similar meaning.
Borrowed from English 'fireproof'.