Hebei Shengqiang Door Industry Co., Ltd. is located in the Renqiu High-Tech Industrial Park in Hebei Province, renowned as the "Pearl of North China," situated on the main transportation artery of the Beijing-Tianjin-Hebei region. It is a comprehensive entity company that integrates the production, sales, and installation of various fire-rated roller shutters, fire doors, security doors, and industrial doors. The company has a training institution for cultivation, production, installation, and sales on a regular basis, making it a service-oriented company with strong cohesion and combativeness. Equipped with state-of-the-art facilities, the company operates 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 specified period. When there is a lack of fire-resistant distance between the exterior walls of two buildings, or when light and ventilation are needed between spaces separated by fire walls, fire-resistant windows should be used.

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

Operable fire-resistant windows: Fire-resistant windows with operable sashes and equipped with sash opening and closing control devices.

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

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

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

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

When the horizontal distance between windows and doors near both sides of the firewall 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 doorsills of buildings with Class 1 or Class 2 fire resistance ratings, windows should be installed with Grade B fire-resistant windows.

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