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A cat flap could cause an air draught when left open. This is a frequent issue encountered by cat owners. A draught-exclusion device can help reduce the amount of cold air that enters the home, but an animal flap with insulation will provide greater protection against the elements. Tomsgates has a wide selection of dog doors that are insulated and cat flaps that are suitable for all kinds of installations, including wall installations. The Material Insulation is among the most important aspects of the cat-door. Insulation is what keeps cold air out