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Are tired of having to get up and down to open your doors for your pet? If so, a cat flap could be the solution. Pet-flap installers can put them in any type of door, whether it is uPVC composite, composite or. They can also install them in a variety of wall types. Security Cat flaps are usually used to cover doors, however many people also install them in windows or double-glazed doors. If you don't have a wood wall or door or window, installing one in glass is a great idea. It's also a gre