出典:Wiktionary
出典:『Wiktionary』 (2014/11/25 19:20 UTC 版)
firestop (複数形 firestops)
出典:『Wiktionary』 (2011/07/01 02:24 UTC 版)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/01 06:21 UTC 版)
A firestop is a passive fire protection system of various components used to seal openings and joints in fire-resistance rated wall and/or floor assemblies, based on fire testing and certification listings.