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Double glazing can be fitted with dog and cat flaps to let your pet go and go at their own pace. They are also great for keeping an eye on your pet while you are away from home. You can put in the cat flap inside an existing uPVC or double glazing sealed unit. However, you will require a new part with an opening that is pre-made. A glazier can do this with the proper equipment and the right training. Easy to install A cat flap is a great option for allowing your pet access to the outside without you having to consta