https://blogfreely.net/dishpin....6/fit-a-cat-flap-in-
Install an animal flap if you want your pet to be able to go and come whenever they like without opening the front door. It is recommended to hire a professional to install the flap. They will navigate the complexity of fitting different types of cat flaps onto various walls and doors. Installation With a cat flap, your pet can enter and out of the house at any time without having to open the door. The variety of pet flaps available on market is vast, from microchip-proof and bite-proof doors to fully enclosed cat flap