Why can’t I just cut a hole in my glass door and install a pet door?

The glass used in a window or door is tempered – a process that increases its strength but also makes it impossible to cut without shattering.

In order to install a pet door through a window or a glass door, the pane must be replaced. Many pet doors are available for installation on glass. You would need to order a new pane with the right sized hole already cut.

There is also a new PlexiDor Glass Series that comes as a prefabricated glass unit with a factory installed PlexiDor dog door or cat door. There are sizes available to fit most sliding glass door frames.

PlexiDor Glass

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