There are a few problems with this door, first problem is the latch attachment which they don’t provide and expect you to use your existing one that does not fit and they want you to screw the latch where the folding mechanism is which I believe is a big flaw in design, the second problem which is a major issue, after installing the dog door, you can not lock the screen door from the inside, and once shut the door, you can not open the screen door from the inside, I did order the screen door ada...