It is also a good idea to check how sound the window is.
How to make a dog door in a window.
Check the window into which you want to install the pet door to ensure that there is enough room in the bottom pane.
To install a plexidor pet door through glass an installer will come to your house and measure the width thickness and height of your existing pane.
The dog door or cat door is mounted in a new pane which will be installed exactly the same way as the original glass.
An animal passing to and fro is going to create extra strain on the window.
Step 2 make a board to fit in place of the window pane.
These window pet doors are designed to rest in the track that your window glides.
Removable cat door mounts on window screen frame and is removable.
A cheap and easy way to make a dog door.
Step 1 examine the window the pet door will be fitted into.
Measure the height of the opening and add 1 1 2 inches to allow for attaching the flap at the top of the opening.
I used clear vinyl runner material from hd and some peel and stick magnetic tape.
Make your own pet flap to fit in a window.