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Cat flaps let your pet go in and out whenever they want without having to open a door or window. They are available in a variety materials and can be installed in doors, windows and even walls. A professional tradesman will be able to install a cat flap to any door, including wood, composite and uPVC. Installation Costs The cost of installing a cat flap could vary significantly depending on the dimensions, the kind and complexity of the project. It is also crucial to consider the door or wall material since this will