Can the ordinary security door be changed to a ventilated security door with a small window?

It cannot be changed unless you choose a new one with ventilation.

Replace it with. Because the security doors are all fixed styles made of fixed molds. It's not like tearing down the door and opening a new hole. **Look at the essence of this edition and you will understand. --

No, the 9 cm door does not have a process with a small window. 7 cm can be, the door leaf to be dismantled, to send to the manufacturer, the time is difficult for me to say. My experience with the change alone is about 5 days, because the paint has to be redone. Good craftsmanship can be done in 3 days without painting.

Beijing Anti-theft door with ventilation windows, more than 10 cm is no problem, no need to dismantle the door, about half an hour to 1 hour. The market has been doing it for 6 years. No problem.

It can't be changed, it is recommended to buy a new security door with a window.

You can change the thickness to 400 yuan.

It is better to install a sliding anti-theft window, open the anti-theft door for ventilation, this is not solved, I recommend Fulkai activity anti-theft window (door) to you

Seven selling points of Fulkai event anti-theft windows:

1. It will not rust and will be used for more than 20 years without failure;

2. It can be opened freely, built-in and external, with escape and rescue functions;

3. There is no metal friction sound when opened, and the lock is a magnetic combination lock;

Fourth, the decoration effect is good, the design is novel, the shape is beautiful, there is no line of sight obstruction, and the anti-counterfeiting is strong;

Fifth, the anti-theft effect is good, the fixing screws are not exposed, the overall structure is connected, the frame is designed with an anti-skid, and the safety factor is high;

6. Rich colors, a variety of products with different models and prices for customers to choose.

7. This product is underwritten by China Pacific Insurance Company.

Nothing is impossible, you just have to pay a high price.

Yes, the structure of the original door is not damaged, and the original door is not disassembled for an hour to get 18831876211