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The process of installing a cat flap may appear daunting, but it is fairly simple to install with the proper instructions. Find out how high you'd like the flap to be (normally it's located at belly height). Then, mark this area on the door, and use the template provided as a guide to drill. If you have a kitten who is still a baby, gently prop the door slightly open and invite it to go through. Reward the kitten each time it goes through. Measure the Door A cat flap allows your pet to go in and ou