Steel fire doors are fire-resistant doors filled with non-toxic and harmless fireproof materials. Steel fire doors are a type of fire door. They are made of rigid frames and equipped with other fireproof accessories. They can be used after assembly.

Before installing steel fire doors, you must first check whether there are any broken parts on the door. Only after ensuring safety can you install it. You must also take protective measures on both sides of the door to avoid damage or scratches that affect the quality of the fire door. The product should be flat and smooth, without obvious dents or mechanical damage, the welding should be firm, the welding points should be evenly distributed, there should be no false welding, burn-through, leakage and other phenomena, the corner cutting and joints of wooden fire doors should be tight and flat, and plywood is not allowed to be planed through the surface veneer; the door frame should be equipped with fireproof sealing strips, and the sealing strips must be straight and without bulges; the fire door should not hear a hollow sound when knocked; the high-quality steel fire door is firmly welded, and the welding points are evenly distributed; the surface spraying is flat and smooth; there should be product logos at designated locations, the thickness of the door leaf should be greater than or equal to the thickness of the door leaf in the sample appearance, the width of the side wall of the door frame should be greater than or equal to the width of the side wall of the door frame in the sample appearance, the outer dimensions of the fireproof glass should be less than or equal to the outer dimensions of the fireproof glass in the sample appearance, and the thickness of the fireproof glass should be greater than or equal to the thickness of the fireproof glass in the sample appearance.

To ensure the performance of the fireproof door, it is necessary to have correct protective measures. When transporting, it should be padded first, and then transported. When placing, pay attention to padding and arranging neatly. After the door leaf is installed, check to see if the protective film is damaged and if there are any stains on the door surface. If any problems are found, they should be solved as soon as possible. The assembled door surface must be placed properly and the door leaf must be locked to avoid being bumped. At the last moment, the protective film should be wrapped on the outside of the door. Be sure not to damage the protective film when moving it.