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Cat flaps allow your pet leave and come whenever they want without you needing to let them in or out. They can also help prevent your cat from urinating in the house. Installing a cat flap on the door panel made of upvc is much easier than in glass doors, however it will require some expertise and the appropriate tools. Take of the door Fitting a cat flap in the door isn't easy but if you use the correct type of cat flap be patient and follow the instructions provided it should not prove to be too difficult. We will