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Anonymous users2024-01-24At the four corners of the anti-theft door frame, use bricks to tighten the door frame to not loosen, and then use cement mortar to the indoor and outdoor sides of the compacted door frame, and after the cement mortar dries, the door frame will be firm.
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Anonymous users2024-01-23In the past, when there were no screws, iron bars were used, and then they were welded with electric welding, which was quite firm.
First open the window when you go out, then climb the window to enter the lock, and finally climb the window to get out, without a key.
Where is it? Put some butter on the rollers on the outer track, if it's an electric big host like that, then there's no way, if it's an in-house security door, it's OK to put some oil on the shaft.
Now some brands of security doors on the market use such technology, but for the average owner, it is still difficult to accept.
Panpan!!
Anti-theft doors and windows are required. >>>More
1. The door frame is surrounded by expansion bolts.
2. Fill the door with caulk and cement. >>>More