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You're tired of having stand up to open the door for your pet. If this is the case, a cat door could be the answer. Pet-flap installers can install them in any type of door, whether it is uPVC or composite. They can also put them in a variety of wall types. Security It is commonplace to see cat flaps incorporated to doors, but there are many who have them fitted into windows or double glazed doors. If you don't have a wooden door or wall installing on