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Installing a cat flap on your door is an essential task to be handled by an expert. These doors are typically constructed from a thin, plastic exterior, which is then bonded to an insulate, soft polystyrene core. It isn't easy to cut through these materials. It is a lot easier to install the cat flap inside an existing glass pane or to have the hole drilled in a new door. A glazier is capable of doing this for you. Easy to Fit If you have a cat and want to allow them to enter and exit without le