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Double glazing can be equipped with flaps for dogs and cats to allow your pets to come and leave at their own pace. They also help keep an eye on your pet when you are away. You can put in a cat flap into an existing uPVC or double glazing sealed unit. However, you will require a new part with an opening already made. A glazier is able to do this with the proper equipment and the right training. Easy to install Having a cat flap in your home is a fantastic way to allow your pet free access to the outdoors without having you to constantly open and sh