noun
fire resistive covering; fireproof coating
Technical term used in building and fire protection contexts. Refers to materials applied to structural elements to provide fire resistance.
鉄骨に耐火被覆を施すことで、火災時の倒壊を防ぎます。
By applying fire resistive covering to the steel frame, collapse during a fire is prevented.
Compound of 耐火 (fire resistance) and 被覆 (covering, coating). The exact historical derivation is uncertain, but the term is a modern technical coinage.