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Upvc is a popular choice for doors to homes. They are sturdy and easy to maintain. They can be difficult to put in with a flap for cats. A replacement upvc panel with the cat flap is often the best option. It is easier to install and costs less than a replacement door. Safety uPVC panels with cat flaps let your pet go inside or out of your home without opening the door. The door panels are available in a variety of styles and can be customized to fit into any ex