防火系統

防火系統係其中一種被動防火嘅形式。佢係攞嚟用喺密封嘅開口附近同埋喺防火嘅牆或地板組件嘅窿窿罅罅度。防火系統嘅設計係攞嚟喺火燭嗰陣，防火嘅牆或者地板可以減慢火同煙嘅蔓延速度。

材料

連出去
 Gütegemeinschaft Brandschutz im Ausbau German passive fire protection association
 International Firestop Council An International association of firestop manufacturers, consultants, inspectors, and contractors
 Efectis Test Laboratory
 UL and International Firestop Council (IFC) video Close enough is not good enough: A demonstration of Proper vs Improper Firestopping
 UL Essay On Firestops
 Deutsches Institut für Bautechnik (DIBt)
 iBMB a part of Technische Universität Braunschweig
 Underwriters' Laboratories of Canada (ULC)
 Underwriters Laboratories

建築材料