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Cat flaps are an excellent way to let your pet come and go at their own pace. You can select a locking flap to stop other cats and animals from entering your home. You can install a cat flap in bifold doors, so long as the door is composed of toughened glass and the frame is not rotten or damaged. The process is similar to installing a cat flap on a wooden door or uPVC. Easy to install Add a cat flap on your bifold door, allowing your pet to enter and exit the house without you having to open or close the d