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Cat flaps let your pet move around whenever it wants. You can choose a locking flap to keep other cats and animals from entering your home. Installing a cat flap to a bifolding door is possible, provided the panel is made of toughened glass. The frame should not be damaged or rotten. It's the same as installing one on an old wooden door or uPVC. Easy to install A cat flap added to your bifold doors allows your pet to go in and out of the home freely, without having to open and close the door manually. This is