Map the Codes Before You Buy 1) Identify the governing codes and the room’s occupancy Rule of thumb used by Authorities Having Jurisdiction (AHJs): a 1‑hour fire barrier typically requires a 45‑minute door; a 2‑hour barrier requires a 90‑minute door; a 3‑hour barrier requires a 180‑minute door. Corridor opening protectives are commonly 20‑minute and, in […]
Tag Archives: Fire Shutter
Premium Inorganic Fabric Fire Shutter: Product Features and Installation Guide As a leading manufacturer of fire protection materials in China, our premium inorganic fabric fire-rated rolling shutter doors are designed in compliance with GB14102-2005 “Fire Shutters” standards. These advanced fire shutters provide superior fire resistance without the need for water curtains, making them an ideal […]