不ふ燃ねん化か

noun

fireproofing treatment; making fireproof

Refers to the process or treatment of making a building or material fire-resistant. Often used in construction and safety contexts.

• この建たて物ものは不ふ燃ねん化かが義ぎ務む付づけられている。

  This building is required to undergo fireproofing treatment.

• 不ふ燃ねん化か処しょ理りを施ほどこした木もく材ざいを使し用ようする。

  Use wood that has been treated for fireproofing.