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Cat flaps are a great option to let your pet leave and come as it pleases. You can select a locking flap to stop other cats and animals from entering your home. You can install an animal flap inside a bifold door, as long as the panel is constructed of toughened glass and the frame isn't rotten or damaged. The process is similar to installing a cat flap on a wooden door or uPVC. Easy to install Install a cat flap on your bifold door to allow your pet to exit and enter the house without you having to open or clos