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Are you tired of having to get up and down to open your door for your pet? If this is the case, a cat door could be the solution. Pet-flap installers can put them on any kind of door, regardless of whether it is uPVC or composite. They can also fit them into certain types of walls. Security Cat flaps are often installed on doors, but many also install them in windows or double-glazed doors. If you don't have a wood door or wall or window, installing one in glass is a great idea. It's also a great option for those who