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If you wish to let your pet to move around as they please without having to open the door, you can put in an animal flap. You should employ an expert to install the flap. They can handle the complexity of fitting different kinds of cat flaps to different doors and walls. Installation With a cat flap, your pet can come in and leave the house at will without you having to open the door. There are many different types of pet flaps available, from microchip-reading and bite-proof doors to fully insulated cats fla