http://brewwiki.win/wiki/Post:The_Benefits_of_Cat_Flaps Installing a cat flap on the door will allow your pet come and go as it pleases. Follow the steps below to learn how to mark the shape, cut it with a jigsaw/hole saw and install your cat's flap. You can keep wild animals, pests, and stray cats from entering your cat's area by using a manual Four-Way Lock. You can also store pots for your cat to hide in. Placement A cat flap isn't only a way to allow your pet to go out more easily, but it could also keep unwanted animals such as cats and rodents out. Some models can even be locked by the owner and allow you to control your cat's activities. This is especially useful if your cat is sick or injured, or when you are away from home for prolonged time. Some types of multi-cat doors allow each cat to enter or leave the house in a separate manner. The first step to installing a cat door is to decide where it should be. Ideally, this should be an area that is easy for your cat to reach and is within the kitchen or living area. The area should not, however, affect the integrity of the door or window and should be free from obstructions such as bushes and the like. Mark the area using the help of a pencil and drill after you have chosen the perfect spot. Make sure you mark the area accurately and make sure be sure that the hole you are drilling is the right size for the flap. The instructions that come with the cat flap should state clearly what size drilling is required. Always wear gloves or a piece of cloth while drilling to avoid injury and to prevent breathing into dust particles. Wearing a dust mask is advised as breathing in dust particles can lead to numerous health problems. The next step is to insert the cat flap into the hole you have created. It may take a while for your cat get used to it, but he will get used to it. It is a good idea for your cat to investigate the new addition to their home by propped up the flap open. It is suggested that you keep the flap