Standard Fire Door Sizes: Comprehensive Guide by Guangdun Door Industry Co., Ltd.

Understanding the standard fire door sizes is crucial for ensuring the safety and compliance of various building types. Guangdun Door Industry Co., Ltd. has compiled a detailed guide on the most common standard fire door dimensions and their respective application scenarios in China. The size of a fire door can vary significantly depending on the intended use and building requirements. Below are some typical fire door sizes for different applications:

1. Fire Doors for Residential Buildings

• Single-Leaf Fire Door: The width usually ranges from 900 mm to 1000 mm, with a standard height of about 2100 mm.
• Double-Leaf Fire Door: These doors can have a width of up to 1200 mm, maintaining the same height of 2100 mm.
• Unequal Leaf (Mother and Son) Fire Door: Typically around 1200 mm in width, with the height customizable based on specific needs.

2. Fire Doors for Commercial Buildings

• Office Buildings, Malls, and Hotels: Single-leaf fire doors generally have a width of 900 mm to 1000 mm, similar to residential fire doors in height.
• Large Malls and Complexes: Double-leaf fire doors can reach widths of 1500 mm or more, maintaining the standard height of 2100 mm.

3. Fire Doors for Industrial Facilities

• Small Entrances and Passageways: Single-leaf fire doors usually range from 900 mm to 1000 mm in width, with heights similar to residential standards.
• Large Entrances and Exits: Double-leaf fire doors can be as wide as 1500 mm or larger, with the same standard height.

4. Fire Doors for Medical Institutions

• Hospitals and Clinics: Single-leaf fire doors typically have a width of 900 mm and a height similar to residential buildings.
• Special Areas (e.g., Operating Rooms, ICUs): Fire door widths may exceed 1000 mm, depending on the specific requirements.

5. Fire Doors for Educational Institutions

• Classrooms and Halls: Fire door widths are usually above 1200 mm to accommodate large groups of students during evacuations.

6. Special Cases and Non-Standard Fire Door Sizes

• Grade B Fire Doors: These can have a height of up to 2700 mm but must include a transom light for additional visibility and compliance.
• Custom Fire Doors: Sizes beyond the standard dimensions require special approval for manufacturing and use.

Conclusion

The standard dimensions of fire doors vary based on their usage and the environment in which they are installed, but they generally adhere to specific norms and regulations. When choosing and installing fire doors, it is essential to select the appropriate size to meet safety standards and ensure effective fire protection.