https://stuart-ring.hubstack.n....et/fit-a-cat-flap-in
Install a cat flap if you want your pet to be able to leave and come back whenever they want without opening the front door. It is recommended to hire a professional to install the flap. They are able to handle the complexity of putting in different types of cat flaps onto different doors and walls. Installation A cat flap allows your pet to move around the house as they please without having to open the door or window for them. There are many different types of pet flaps available that range from microchip