Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei Province, which is known as the "Pearl of North China." It lies along the key transportation artery of the Beijing-Tianjin-Hebei region and is a comprehensive entity that integrates the production, sales, and installation of various fire-resistant roller shutters, fire doors, security doors, and industrial gates. The company maintains training institutions for cultivation, manufacturing, installation, and sales year-round, making it a service-oriented company with strong cohesion and combativeness. Equipped with top-notch facilities, the company boasts multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is our top priority.

Fire-resistant windows refer to windows, including their frames, that meet the requirements for fire resistance stability and integrity within a specified time period. When there is insufficient fire separation between the exterior walls of two buildings or between spaces separated by fire walls, and when light and ventilation are needed, fire-resistant windows should be used.

Fire Window Categories:
Fixed Fire Window: A fire window without any operable sash.

Operable fire window: A fire-resistant window with an opening sash and equipped with a sash opening/closing control device.

Insulating Fireproof Windows (Type A): Fire-resistant windows that meet both the integrity and insulating requirements within a specified time frame.

Non-insulating fire-resistant windows (Class C): Fire-resistant windows that meet the requirements for fire resistance integrity within a specified time. Divided by fire resistance rating and insulating performance:
Fire-resistant window selection:

Fire-resistant windows are made of steel, available in two grades: Class A (with a fire resistance of 1.20h) and Class B (with a fire resistance of 0.90h).

Fire-resistant windows are primarily used in fire walls of high-rise buildings, requiring the use of Class A fire-resistant windows that can close automatically.

When the horizontal distance between doors and windows near both sides of the fire-resistant wall is less than 2 meters, Class B fire-resistant windows should be used.

In addition to residential buildings, kitchens in other structures should use Class B fire-resistant windows.

In openings in the partition walls of doors of Grade 1 or 2 fire-resistant buildings, fire-resistant windows of Grade B should be used.

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