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Professional cat flap installers can install your pet's door in either a door, or a wall. The wall-mounted version is more secure, because an intruder won't be able to get through. It also lowers energy costs and prevents draughts. The Tasker will mark the location of the cat flap inside your door, and then drill the corners. They will also sand the edges of your frame for a smooth finish. Microchip cat flaps A microchip cat flap is a straightforward and effective method to keep your pet in your home. It is able to read the unique identification microchip