Where is the fire door used in usual？

Fireproof doors will be installed at specific locations where there is a fire hazard to prevent the fire from spreading from one area to another. These fireproof doors help maintain the integrity of the building, thereby protecting people who are far away from the initial fire and helping them have enough time to evacuate, transfer or defend themselves on the spot. Generally speaking, according to international standards, fireproof doors must be installed when there are moderate and high-risk situations.And it must also undergo testing by a third-party institution, such as UL Fireproof Doors.Shanghai Xunzhong Industry Co.,LTD can provide CAN/ULC-S104，ANSI/UL 10B，ANSI/UL 10C，NAFP standard,as well as the hardware with the UL list.

The most common installation positions for fireproof doors are as follows:

Stairwell

The openings on the walls that separate buildings

Mechanical room (generator, boiler, etc.)

Vertical passage panel

Evacuation passage within the building

Electrical room (high voltage and low voltage protection boxes)

Below are some question on fire door：

Do fireproof doors need to be kept closed all the time?

-Some indoor fireproof doors can remain open as long as they can automatically close in an emergency. If the door does not have an automatic closing device, it should not be propped open. Although using wedges to fix the fireproof door to keep it open is convenient for evacuation or ventilation, an open door will reduce its fire resistance performance.

Should fireproof doors be locked?

-The door should not be locked or blocked. Doing so is very dangerous and may even violate safety regulations. Blocking the door can cause serious safety hazards, hinder evacuation, and trigger further panic in an emergency.

Can we modify the door frame or hardware?

-Because they have fireproof properties, they are tested as a complete door component, and the allowed on-site modifications are limited.The specifications of the hardware should match those of the first purchase of hardware. Ensure that the hardware can be installed properly and function normally.

When do fireproof doors need to be replaced?

-To ensure that the fireproof door is maintained well and continues to provide protection, it should be inspected once a year. Although the inspection time may fluctuate due to wear and tear. It is best to follow the recommended maintenance and repair plan.

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