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Double glazing can be fitted with dog and cat flaps to allow your pets to come and leave as they please. They also help in keeping an eye on your pet whilst you are away from your home. It is possible to install a cat flap into an existing uPVC or double glazing sealed unit. However, you will need a replacement part with an opening already made. This can be accomplished by a glazier with the appropriate equipment and experience. Easy to install A cat flap is a great option to allow your pet to have access to th