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A cat flap can cause a draught if left open. This is a common problem that cat owners face. A draught excluder can help cut down the amount of cold air entering the home. However an animal flap can provide more protection from the elements. Tomsgates provides a range of dog doors insulated and cat flaps that are suitable for all types of installations, including wall installations. The Material One of the most important features of a cat door is its insulation. Insulation keeps cold air out and war