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Installing a cat flap on your door's panel is an essential task to be handled by a professional. These doors are usually made of a thin plastic exterior that is bonded to an insulating, soft polystyrene core. It isn't easy to cut through these materials. It is a lot easier to install the cat flap into an existing glass pane, or to have the hole drilled for a new door. A glass glazier can help you. Easy to fit Upvc door panels are an excellent option if you have a pet cat and would like to allow it to enter an