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If you leave your cat flap open, it may create a draft. This is a frequent issue encountered by cat owners. A draught excluder can help reduce the amount of cold air that enters the house, but an animal flap that is insulated will offer more protection from the elements. Tomsgates has a wide selection of dog doors insulated and cat flaps that work for all types of installations, including wall installations. The Material One of the most important features of a cat door is its insulation. It is the thing that