Steel fire door installation method.

    Fire door is divided according to material: fireproof steel door has steel fire door and wood fire door these two kinds of fire door is installed method to have a few details to differ. It's also slightly different from the fire rating and you have to pay attention to detail when you install it.

    First of all, when the wooden fire door is installed, the frame size should be less than 20mm, and the door frame is buried under the ground 20mm. The door frame should be fixed firmly with the wall, and the vertical Angle will be vertical. Stand up a long distance, and make sure that the two sides should be kept straight in the same Angle, avoiding the planing saw. There are no less than 3 fixed points on both sides of the door frame, and the spacing should not be greater than 800mm.

    Second, steel fire door during the installation process, considering the bending deformation of frame this problem, to use wood in the frame width direction fang support, doorcase waste into 20 mm under the ground, and the embedded parts on the door frame and wall body welding. Then open holes in the corner of the door frame, pouring cement, sand, and expanded perlite (1:2:5) concrete, which can be used when concrete is solidified.

    The fire door has a closed requirement:

    National standard of fire door take it there is a clear gap size the requirement: fire steel door of steel fire door, ask its door and doorcase lap should not be less than 10 mm, on either side of the gap between fan and door frames shall not be greater than 4 mm. After the fire door is installed and closed, the gap cannot be too large. Otherwise, the sealing performance of the fire door is difficult to guarantee, and it is difficult to show that it can suppress the fire and smoke spread in the fire condition.

    Therefore, the gap width of fire door installation must be strictly controlled. According to the standard installation, can to a certain extent to ensure the effect of the fire door, when consumer is hiring construction units must be in supervision, prevent the occurrence of such problems as they cut corners, so as to let the fire door will not cause personnel casualties in a fire.