There is a cat s eye doorbell on the entrance door on the acceptance form, but the entrance door of

It generally includes the following seven details:

1) Door frame inspection: whether the door frame is installed firmly and well, whether the door frame and the wall are tightly sealed, and whether the door surface is cracked or damaged; >>>More

This needs to be determined according to the design drawings of the specific building, which is generally open outside, and if the fire door is set in front, there is also an inner door.

1. Entrance door inspection

Inspection standard (1) The surface of the door should be clean, and there should be no scratches or bruises; (2) The cutting corners and joints of the door should be tight and smooth; (3) The gap between the door and the wall should be filled; (4) The allowable deviation of the door production: the allowable deviation of the warping of the door frame is 3mm, the allowable deviation of the warping of the door leaf is 2mm, the allowable deviation of the surface flatness of the door leaf is 2mm, and the allowable deviation of the diagonal length of the door frame is 3mm; (5) The installation of the seam limit, allowable deviation: the door leaf to the mouth seam, the door leaf and the door leaf and the door frame vertical seam width; (6) The width of the gap between the entrance door of the rough house and the ground should not be less than. >>>More

The people in the door factory are right, the tall and narrow door leaf does lack stability. With such specifications, it is possible to make an entrance door with a fixed door head of 70 cm in height. I hope my answer can help you.

The entrance door is generally made of steel doors (divided into Class A and B doors), stainless steel doors and copper doors. Steel doors are the most common. The entrance door is divided into inner door and outer door according to the direction of the door, and the left door and right door are divided according to the position of the door axis.