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Adding a cat flap to your door is an essential task to be handled by a professional. The doors are typically made of a thin plastic exterior that is attached to an insulation-enhancing, soft polystyrene base. These materials can be hard to cut. It's a lot easier to put a cat flap in the glass pane that is already in place or have a new door made with the hole already drilled. A glazier is in a position to assist you. Easy to Fit If you have a cat and would like to allow them to enter and exit without leaving your home doors mad