Why is there a fire door in front of the house?

The main purpose of installing fire doors is to prevent the fire from spreading and protect the evacuation passage in case of fire.

Fire door refers to the door that can meet the requirements of fire stability, integrity and heat insulation in a certain period of time. It is a fire zone with a certain fire resistance limit, located in fire zones, evacuation staircases, shafts and so on.

Fire doors not only have the function of ordinary doors, but also have the function of preventing fire and smoke from spreading, which can prevent the fire from spreading in a certain period of time and ensure the evacuation of people.

There are many kinds of fire doors, including glazed fire doors, stainless steel fire doors and ordinary steel fire doors, but the installation methods are basically the same, depending on the site situation, and there are some common installation parameters that must be paid attention to.

First, the installation of fire doors should be based on the types of fire doors used, using appropriate installation methods.

Second, the door frame of the fire door can be fixed to the wall with expansion bolts, or iron pieces can be embedded in the hole when building the wall, and welded with the door frame connector when installing.

Third, no matter what connection method is adopted between the door frame and the wall, there should be no less than three anchor points on each side, and the connection is firm.

Four, when installing the fire door, should first find straight, hanging, temporary fixed after appropriate size, and correction, adjustment, and correct the rear can be connected and anchored.

Five, the sliding door should be flexible after installation; Horizontal doors are easy to open and close.

Six, fire door closers must be installed on the door, to install the sequencer when opening the door.

Seven, handle on the fire door, fire lock and other hardware accessories, must be complete;

Eight, and the ground plane clearance should not exceed 5 mm. ..