https://click4r.com/posts/g/18....374918/fitting-cat-f
Professionals should handle the installation of a cat flap onto your door panel. The doors usually have a flimsy plastic exterior that is bonded to a soft insulate polystyrene. These materials can be hard to cut. It's much simpler to install a cat flap into the glass pane that is already in place, or have a new door made with the hole already drilled. A glazier will be in a position to assist you. Easy to install If you have a cat and would like to allow them to enter and exit without having to leave your home doo