1. When installing anti-theft doors, it is best to remove the original wooden door frame. The quality of brand anti-theft doors is good. It will not take long to install the anti-theft doors. The premise is that you order the door in advance, because The size of the door opening of the previous house may not be consistent with the security door. You should first go to the dealer to consult and provide the size of the door opening of your house, or ask the dealer to come and measure it.
II. 1. Regulations on the anti-vandalism time of anti-theft doors
The above anti-vandalism time refers to preventing the opening of a door leaf of not less than 615cm2 on a non-steel plate door leaf. The time it takes to see through the door opening.
Grade A is greater than 30 minutes, Grade B is greater than 15 minutes, and Grade C is greater than 10 minutes.
2. Levels of locks
The levels of locks are divided into levels A, B, and C, as follows:
Level A locks: Level A locks currently on the market Anti-theft lock keys mainly have one-word keys and cross keys. The internal structure of the Grade A lock cylinder is very simple, limited to the changes of pins, and the pin slots are few and shallow. The anti-technical opening time is within 1 minute, and professionals can open it within 30 seconds. The mutual opening rate is extremely high and cannot be upgraded. The marble structure is a single row of marbles or a cross lock.
The unlocking time of Class B lock cylinder: Class B lock cylinder professionals can open it in more than 5 minutes and less than 120 minutes.
C-level lock: The safer one on the market currently is the C-level lock cylinder, which uses a double row, computer, and compound curved slot patented key, and cannot be opened technically for 270 minutes. Among them, C-level lock cylinders are mostly used in the financial industry and less used by civilians.
3. Misconceptions about anti-theft doors? The thicker the door leaf, the better
For anti-theft doors, everyone generally believes that the thicker the door leaf, the better, but in fact, this may be wrong.
For door leaves, the specifications are nothing more than regulations for opening holes in non-wooden door leaves, and the minimum time limit for Class A doors is only 30 minutes.
Currently, steel doors are generally available on the market. Regardless of whether someone is using a cutting machine or a sledgehammer to smash the door, just making a hole in the steel door is already a difficult task. Easy thing.
In fact, more often than not, security doors are designed to protect against gentlemen, not villains. If you really hit it with a sledgehammer, you can knock down any door. Therefore, relying solely on the thickness of the security door to prevent theft is actually one-sided.
3.
Anti-theft lock detection report.
It should be noted that the anti-violent opening and anti-technical opening times are tested under standard laboratory conditions. The actual protection capability has a great relationship with the tools used and the skills of the unlocker. Generally speaking, doors are most likely to be opened technically when they are not locked, so be sure to lock them when you go out, and be sure to have insurance on when sleeping! So be sure to lock it when you go out, and be sure to have insurance on when sleeping! So be sure to lock it when you go out, and be sure to have insurance on when sleeping! Say important things three times.
In fact, there are many details about the national standard of security doors, but it is difficult to understand if they are too detailed. As long as you remember to look at the product test report, secondly look at the grade steel seal, and thirdly look at the product name, you can basically judge Is this door really an anti-theft security door?