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Cat flaps allow your pet to go in and out at their own pace, without needing to open a gate or window. They are available in various materials and can be installed into doors, windows and walls. A professional tradesman can install a cat flap for any type of door including composite, wood, and uPVC. Installation Costs The cost of installing a cat flap can vary greatly according to the size, type and complexity of the project. The material of the wall or door can also impact