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Double glazing can be fitted with dog and cat flaps that allow your pet to leave and come at their own pace. They also help in keeping an eye on your pet when you are away from home. It is possible to install a cat flap inside an existing uPVC panel or double glazing glass sealed unit, however you'll need to replace the piece that has a hole already made. This can be done by a glazier who has the appropriate equipment and experience. Easy to install A cat flap is a great option for allowing yo