Steel fireproof doors are essential safety features in buildings, constructed using steel raw materials for durability and fire resistance. These doors are composed of door frames, door leaf frames, and door leaf control panels, reinforced with fireproof insulation materials for added safety. Characterized by a smooth and aesthetically pleasing surface, steel fireproof doors come in […]
Category Archives: knowledge
Knowledge about various fire protection products such as fire-resistant doors and windows, fire-resistant rolling shutters, smoke barriers, as well as knowledge about ordinary doors, non-standard doors, and steel doors. Industry knowledge of Chinese categories
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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 […]