Is there a specification that says that the door frame of the security door needs to be filled with

Updated on Security door 2024-08-02
1 answers
  1. Anonymous users2024-01-24

    No, mortar filling in the door frame is a voluntary requirement of the main industry, and there is no specification from the state and the industry.

Related questions
Is there a national standard Grade A door in the door of the anti-theft door
4 answers2024-08-02

There is no grade for the security door in the door. If you see a grade stamp when you buy an security door. Then this is pure fraud.

The anti-theft door lock is rusty, it's really difficult to open, is there a good anti-theft door?
3 answers2024-08-02

You can use titanium energy intelligent security door. No keyhole, remote control, you can open the door anywhere in the home. With one thumb, you can open the door with one button, saving worry and effort.

Is there a smart door lock on the anti-theft door?
2 answers2024-08-02

There are several kinds of smart door locks for anti-theft doors: intelligent linkage alarm locks, intelligent magnetic card electric locks, and smart password electric locks.

Is there any prohibition on using stone for ceilings?
3 answers2024-08-02

No. However, if the stone is too heavy, it will not be used on the ceiling. This one is safe. >>>More

What is the iron piece on the inside of the lock of the anti-theft door that can rotate the lock cyl
1 answers2024-08-02

There are many names, you can call it the anti-lock knob. FYI.