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Double glazing can be equipped with dog and cat flaps that allow your pet to leave and come as they please. They are also great to keep your pet's attention while you're away. It is possible to fit the cat flap onto an existing uPVC panel or double glazing glass sealed unit, however you will need a replacement piece that has a hole already made. This can be accomplished by a glazier with the right equipment and training. Easy to install Having a cat flap in your home is a great way to give your pet access to the outd