https://www.openlearning.com/u..../boonefranklin-skrjo
https://yamcode.com/cat-flap-i....nstallation-how-to-f
Cat flaps allow your pet to leave and come whenever they want without needing to let them in or out. They can also help prevent your cat from urinating in the home. Installing a cat flap on a upvc door panel is a lot easier than glass doors, however it requires some knowledge and the proper tools. Take a measurement of the door Installing a cat flap on the door can be a challenge but if you use the correct type of cat flap make sure