The opening angle of a fire door is a critical factor that impacts the width of evacuation routes. While fire doors and conventional evacuation doors typically open at up to 120° or even 150°, it is recommended to limit the opening angle to 90° to ensure maximum clear evacuation width. It is important to ensure […]
Monthly Archives: August 2024
Guangdun Fire Protection Doors & Windows is a comprehensive enterprise specializing in design, production, installation, sales, and after-sales service of fire-rated doors and windows. Our fire protection products have been certified through National Public Security Ministry’s Type Approval and the mandatory 3C certification. We primarily manufacture steel fire-rated doors, steel and wood composite fire-rated doors, […]