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Cat flaps let your cat leave and come back at their own pace, without needing to let them in or out. They also can help stop your cat from peeing in the home. Fitting a cat flap in the door panel made of upvc is a lot easier than a glass door, however it requires some knowledge and the right tools. Take a measurement of the door Installing a cat flap on the door can be a challenge however, as long as you use the correct type of cat flap make sure you take your time and follow the directions provided, it should not pro