There are 2 measurements that you ll need here.
Secure doggie door for sliding glass door.
However it s also more expensive and more trouble.
For sliding glass dog door inserts you can use a charley bar to secure the panel in your door frame.
All security boss pet doors are designed to last and perform indefinitely.
While there are alternatives for most of these you can purchase a patio pet door for your sliding glass door or undersized for your sliding window.
Firstly the height of the track.
To install a dog sliding door first measure the sliding track.
Security boss pet doors have the reputation for superior insulating sealing capability along with unparalleled security.
No other pet door offers the levels of performance as found in the security boss maxseal and sb72 series.
Consider automatic pet doors consider automatic pet doors or electronic dog doors that only operate for pets via collar keys or other individually identifiable methods like rfid chips.
We recommend the prime line products charley bar or wedgit charley bar.
You can measure this from the inside of the upper track to the inside of the lower one.