How to install the anti theft door when the door is wide and narrow

1. Before the start of construction, we should first ensure that other indoor construction processes are basically completed, and the partition and movable door leaf must be uniformly laid out and positioned according to the requirements of the design drawing, and then determine the position of the door frame, and accurately measure the ground elevation and the top elevation of the door frame. >>>More

How to install the security door 1Measure the door opening, the door opening is better than the door or so (easy to adjust) 2Embed the door into the door opening, adjust the front and back left and right vertical, the door should not grind the fan, do not go to the fan, do not drop the fan. 3.Fix the strap first

If there is a large gap in the upper part of the door, you can raise the door a little as a whole, put something under the door frame, and then put waterproof glue. >>>More

The installation time should be selected before the completion of the bricklayer, because the previous installation bricklayer and mason can be well repaired and smoothed. The installed anti-theft door will have a protective film, and you can also add another layer of protection by yourself, if it is not a human collision, it will not cause damage. >>>More

The steps to install the anti-theft door peephole are as follows: >>>More