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Installing a cat flap on your door panel is a crucial task that should be carried out by an experienced professional. The doors usually have the plastic exterior, which is thin and flimsy, and then bonded to a soft, insulating polystyrene core. It can be difficult to cut through these materials. It's much simpler to install a cat flap into an existing glass pane or have a new door made with the hole already made. A glazier is capable of doing this for you. Easy to install Upvc door panels can be a great option if