Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei, which is renowned as the "Pearl of North China." It lies along the key transportation route of the Beijing-Tianjin-Hebei region and is a comprehensive entity that integrates the production, sales, and installation of various fireproof roller shutters, fire doors, security doors, and industrial doors. The company has a training institution for cultivation, manufacturing, installation, and sales on a regular basis, making it a service-oriented company with strong cohesion and combat power. Equipped with top-notch facilities, the company boasts multiple production lines for fire doors, security doors, and roller shutter processing equipment. Quality is a top priority.

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

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

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

Insulation Fireproof Windows (Type A): Fireproof windows that meet both fire resistance integrity and insulation requirements within a specified time.

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 limits and insulating properties:
Fire-resistant window selection:

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

Fire-resistant windows are primarily used in fire walls of high-rise buildings, and it is required to use 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 be equipped with Class B fire-resistant windows.

In the partition walls of hallways in Class 1 and Class 2 fire-resistant buildings, windows should be equipped with Grade B fire-resistant windows.

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