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Installing a cat flap on your home is a simple process. You'll need to be aware of a few issues before you begin. You can install upvc panels with the cat door without cutting a hole into your wall or door. They are available from a variety of glass companies with a hole that is pre-drilled to fit the door for your pet. 1. Safety The cat flaps made of upvc are easy to install and put on different doors. They are weatherproof and energy efficient and ha