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Installing a cat-flap in your home is a simple procedure. You will need to be aware of a few things before beginning. You can install Upvc panels to create the cat door without cutting holes in your door or wall. Many glass manufacturers offer them with holes that is already designed for the purpose of a pet-door. 1. Safety Cat flaps made of upvc are simple to put in and can be fitted to many different kinds of doors. They are weatherproof and energy efficient and come with a draft excluder built in to aid in insulating the opening. They are a