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You're tired of having to climb up to open the door for your pet. If so, a cat flap could be the answer. Pet-flap fitters can put them into any kind of door that is available, including uPVC or composite doors. They can also be fitted into some types of walls. Security Cat flaps are often fitted to doors, but many people also have them installed on windows or double-glazed doors. If you don't have a wooden door or wall or window, installing one in glass is a great idea. It's also a great solution