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Consider installing a cat flap on the door made of upvc for those who want to allow your pet to leave and enter the house without worrying that they will leave unwanted "gifts". This option is cheaper than replacing the entire door and is simpler to install. It is possible to install a cat flap on your own uPVC doors however, it's an arduous task that could lead to costly errors. Easy to install When have a dog or cat in the house it is crucial to be able to let them out and