Introduce your cat to the flap prior to the installation to allow them to be familiar with the size and shape. The flap should be opened and let them explore it from every angle.
Make sure that the cutout is square and even. Mark the screw holes on your door and align them with the opening for the cat flap The distance between the edges must be the same.

Preparation
Installing a cat flap inside your home can be beneficial to the well-being and health of your pet. This is because it lets the pet to move freely between indoors and out without you having to let them in or out. It will also stop them from fighting over cat food and litter box, or even the door to the house itself.
The first thing that you'll need to do before starting the installation of your cat flap is to prepare the area in which it will be located. It will be simpler to work in the event that you remove any obstacles. You should also remove any furniture and other decorations that may interfere with your installation.
You'll have to trace and measure the area in which you plan to install the cat flap. This will prevent you from making a mistake which could damage your wall or door. In the ideal scenario, you'll want to place the cat flap somewhere that is easily accessible for your cats but that won't compromise the integrity of your home's structure.
A good place to put the cat flap is in an entrance that leads to an enclosed space, like your laundry room or closet. This will stop your cat from tripping over it and you can keep your cats away from potential dangers. The flap for cats should be low enough for your cat's smallest to use, as taller cats may struggle to leap through a higher flap.
If you have an open patio door that slides or an old style windows with sash, it might be best to employ an experienced handyman to do the job. Installing a cat flap on these windows and doors isn't easy and mistakes can cause costly damage. A professional can install the cat flap with out damaging the structure of the window or door's integrity.
To mark the space for the cat flap you will need to use a ruler or tape measure to determine the height of your cat's belly from the floor. This will allow you to accurately cut out the opening for the flap. Once you have the line drawn with a spirit-level, use it to ensure it is perfectly horizontal. After that, read the instructions that came with the cat flap kit to find the template drawing. Attach the template to the door so that the bottom edge coincides with the horizontal lines that you've drawn. The template should be placed in the middle of the door.
Measurement
A cat flap, also known as a dog door is a small opening located at the bottom of doors or windows. It lets pets leave and enter the home. They come in a variety of sizes and materials so that you can choose the best one for your home and pets.
Before you buy an animal flap, you need to measure precisely the size of your doors or window in which you're planning to put it. You will then be able to ensure that the cat flap you purchase will fit and the hole is the right size. One method is to block off a part of the door and then try to walk through it with your pet, this will give you an exact idea of the passage opening size (width).
It's also advisable to measure the height of your cat from the ground up to the lowest point of their stomach. This will ensure the flap is installed in the right place for your cat to are comfortable. If it's too low, they might struggle to get through. If it's too high, they may not be in a position to use the flap.
Generally you should aim to drill your holes at 45 degrees to the vertical surface. This will ensure the most stable and secure installation of your cat flap. Ideally you should utilize a spirit level to aid you in this, but if the directions included with your cat flap kit do not include this, straight edges will work equally well.
When fitting the cat flap to glass or UPVC door or window it's best to hire a professional glazier to do this for you. These doors are usually toughened, and drilling can cause damage to their structure and lead to them shattering. This could be the risk of security for your home.
It is also difficult to install a cat flap in brick walls, since drilling into a soft section of the wall can cause issues for pipes and cables that run through the property. This could lead to costly repairs or leaks, or even weather damage from outside.
Marking
Once you've measured your cat or kitten to find the right size flap for them, it's time to mark the location where the hole should go. Use your spirit level to ensure it runs parallel to the door, then mark the center point. If the template for your cat flap kit doesn't include a centre line, photocopy it and draw around it using a pencil to mark the area where the hole will need to be cut.
Remember, if your cat's flap is too low, it will be difficult for your cat to climb in and out of the house, and if it's too high, they might struggle to see what's happening outside. To ensure your cat feels safe and comfortable, it is best to put the flap as close as you can to their belly.
It is also important to be aware not to put a cat flap too close to the frame of a solid wall, as it could cause issues with damp, draughts and stability. It's worth getting professional help in case you're not familiar with masonry.
Next, prop the door open and encourage your cat or kitten to come through it by showing them where to go (it is helpful if someone else is on the inside to encourage them). Once they've made it through you can let them in and out as they please.
It is not advisable to push your kitten or cat through the flap too fast because this can cause them to be scared. They could be injured by the clunk and snap when it closes, and even more scared if their tail gets caught in it as they attempt to get out. Cats are also known to return home to look for intruders. Leaving the door open could be dangerous. Your pet may be attacked by a cat they are familiar with. This is why it's best to put up a small cat flap only and only when your cat or kitten is aware of its use.
Installation
Once the flap is in place It is crucial to teach your cat to use it. It will take some time however, with patience and a few treats to encourage them to learn, they will eventually get the habit of it. Install a lock to your cat flap if you want extra security, especially during bad weather or when you're away from home.
The first thing you should do is decide the location you'd like to place the cat flap in your door. It will need to be placed in a place that opens into an area that is protected from the elements of your garden. This will help your cat feel more secure as they come into and out of the house, and can help to keep other animals from entering your home.
Another thing to consider is the height that you want to put the flap on your cat. This should be in line with your cat's belly measurement, as this will ensure that they can pass through with ease. You can also set steps on either side of the entrance to assist your cat pass through.
Once you've decided on where you want to place the cat flap, you can measure the door using a pencil and mark the spot. This will help you decide the location you will need to cut. The next step is to cut a square into the door with the Jigsaw. It is advisable to wear safety glasses and a mask for dust protection while doing this, as inhaling the dust can be dangerous to your health. After the square has been cut and sanded, you can sand the edges of the door. This will give an even edge.
After you have finished sanding your door, you can replace the cat flap. cat flap installation near me should be installed so that the lock, if there's one, is on the inside of your door. If there are holes for screws for the cat flap on the door, you must now drill them into the hole. Then carefully insert the flap into the hole. Make sure it fits perfectly.