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Cat flaps let your pet come and go whenever it wants. You can also opt for a locking cat flap to stop other cats and animals from gaining access to your home. Installing a cat flap to a bifolding door is possible as long as the door frame is made from toughened glass. The frame must not be rotten or damaged. The process is largely the same as installing a cat flap in an wooden or uPVC door. Easy to install Adding a cat flap to your bifold doors will allow your pet to go in and out of the house without hassle, and without needing to open or clos