-
Anonymous users2024-01-241；The door beam is generally made of steel bars! 4；Install the anti-theft door, don't pretend to go away, or the door will always close automatically! Installing the door cover requires the wall to be vertical and straight, not tilted, and the wall is symmetrical! For the rest, ask the workers who built the house!
-
Anonymous users2024-01-23First lay the lead bricks at the two corners of the wall, and then hang the line at both ends, you can lay the bricks in the middle, and the general line should have a gap of 3 mm from the bricks
It is to fix the bolt with an electric hammer to open the eye in the wall and then put it into the bolt to fix it before installing it with a line to adjust the door to keep the door horizontal and vertical If it is not installed properly, it is easy to affect the door is not good to open or close.
What I want, there are a large number of engineering door installations, which need to be contracted by workers.
Open your ringtone to make the security door, we record.
If you want to do this job, you can learn by doing, and you will soon get started.
Top 10 brands of Class A anti-theft doors, CCTV brands on the list, doors can, and the service is also thoughtful.