https://dev.to/hellappeal26/th....rough-wall-cat-flap-
https://blogfreely.net/brushtu....na98/installing-a-up
Installing a cat flap inside the door will allow your pet to go and come as it pleases. Follow these steps to learn how to mark out the shape, and then use a jigsaw or hole saw to cut it and install your cat flap. You can keep wild animals, pests and stray cats from entering your cat's area if it has a Manual Four-Way Lock. It's also an excellent idea to keep some plant pots around for your cat to hide behind. Placement A cat flap can be used to keep anim