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Professional cat flap installers can put your pet's entrance in either a door or a wall. The wall-mounted version is more secure as an intruder cannot reach through. It also lowers energy costs and prevents draughts. The Tasker will mark the position of the cat flap on your door, then drill the corners. They will also sand the edges of the frame to give it a smooth surface. Microchip cat flaps A microchip cat door is an easy and effective method to k