https://historydb.date/wiki/Us....ing_uPVC_Cat_Flap_Do
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A cat flap could cause a draught if left open. This is a common problem that cat owners face. A draught-excluder can reduce the amount of cold air entering the house. However, a cat flap can provide more protection from the elements. Tomsgates offers a variety of dog doors that are insulated and cat flaps that work for any type of installation including wall-mounted installations. The Material Insulation is one of the most important features of a cat-door. Thi