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Installing a cat-flap on your door is an easy procedure. It is important to be aware of a few issues before beginning. It is possible to install Upvc panels that have a cat door without having to cut the wall or door. They are available from a range of glass companies with a hole that is pre-drilled to fit a pet door. 1. Safety upvc door panels are simple to install and can be adapted to different types of doors. They are weather