How to Install a Cat Flap
Introduce cat flap fitting repairmywindowsanddoors to the flap prior to the installation so that they can become familiar with its dimensions and shape. Unlock the flap and let your cat explore it from every angle.
Ensure the cut-out is even and ensure that the cut-out is square and even. Mark the screw holes and align them with the cat flap opening. The distance between the edges must be equal.

Preparation
Installing a cat-proof flap in your home can be beneficial to the well-being and health of your pet. It allows your pet to freely move from inside to the outside without needing to allow them in or out. It also stops them from fighting over cat food and litter box or even the door to the house.
Set up the area where you'll be installing your cat flap prior to begin. It will be much easier to work with if you eliminate any obstacles. It is also important to take away any furniture or decorations that could hinder your installation.
When you are preparing the space you must measure and mark out where you are planning to install the cat flap. This will help you avoid making mistakes that could destroy the wall or door. In the ideal scenario, you'll want to put the cat flap somewhere that is easily accessible for your pets, but doesn't harm the integrity of your home's structure.
The cat flap can be placed on the doorway leading to a locked space such as your closet or laundry room. This will stop the cat from being able to jump over it, and allow you to keep the cats from any potential dangers. Also, make sure that the flap for cats is not too low to be used by your smaller cat, as larger cats may struggle to leap through a higher-height flap.
If you have a sliding patio door or an old-fashioned sash window, it might be a good idea to hire an experienced handyman to do the task. It can be difficult to install the cat flap on these doors and windows and a mistake can cause costly damage. A professional can install the cat flap with out damaging the structure of the window or door's strength.
You'll need to determine the height of your cat's belly from the ground in order to mark the flap's location. This will enable you to precisely cut the flap's opening. Once you've marked the line, use a spirit level to ensure that it is perfectly horizontal. Next, check the instructions that came with your cat flap kit to find the template drawing. Attach it to the door in a way that the bottom edge of the template is in line with the horizontal line that you've drawn and is aligned with the centre of the door.
Measurement
A cat flap, also referred to as a dog's door, is a small opening located at the bottom of doors or windows. It lets pets leave and enter the house. You can pick from a variety of sizes and materials to find the perfect one for your pet.
Before you purchase an animal flap, you need to measure precisely the size of your doors or window where you intend to install it. This way you will be able to ensure that the hole will to be of the correct size and that the cat flap will fit. One method is to block off a part of the door and try to walk through it with your pet, this will give you an exact idea of the passage opening size (width).
It is also recommended to measure the height of your cat from the floor to the bottom on their belly. This will ensure that the flap is set at a height that your cats are comfortable using. If it's too low, they could struggle to pass through. If it is too high, they may not be able to use the flap.
Generally you should aim to drill your holes at a 45 degree angle to the vertical surface. This will give the most stable and secure fixings for your cat flap installation. Ideally you should use a spirit-level to help you with this, but if the directions that came with your cat flap kit do not include this, a straight edge can work equally well.
It is recommended to employ a professional glazier install the cat flap on a UPVC or glass window or door. The doors are usually made tougher and drilling could compromise their strength and result in them breaking. This could create the risk of security for your home.
Putting a cat flap into the brick wall could be a problem, too, since when you drill into a soft part of the wall this can cause problems with pipes and cables that go through the property. This can lead to expensive repairs or even leaks or weather damage from outside.
Marking
Mark the hole where you need it after you have measured your cat. Mark the centre of the flap using your spirit level. If the template for the cat flap kit doesn't include a centreline, you can photocopy it. Then use the pencil to trace around the template to mark where the hole should be cut.
Be aware that if the cat flap is too low, it could make it difficult for your cat to get in and out of your home, and if it's too high, they could be unable to see what's happening outside. It is best to get it close to the height of your cat's belly as you can to give them the greatest comfort and security.
It is crucial to keep a cat flap from being too close to a wall frame. This could cause issues with damp and draughts. It is recommended to seek out professional assistance if you aren't familiar with masonry.
Next you should prop the door open and encourage your cat or kitten to go through it by pointing out where they should go (it is helpful if someone else is on the inside to help them). Once they've made it through you can let them in and out as you want.
It's important that you don't push your cat or kitten through the flap in a hurry as this can lead to them being scared. They could be injured by the clunk and snap when it closes, and be even more scared if their tail gets caught in it when they try to exit. Cats also are known to return home to check for invaders, so leaving the door open during this time could be a problem since it could lead to your pet being attacked by a cat they are familiar with. Installing a small cat door is best for your cat or kitten if it is able to use it.
Installation
Once the flap is in place It is crucial to show your cat how to use it. It may take some time, but with patience and a few treats to entice them, they will eventually get the grasp of it. It is also possible to put a lock on the cat flap for added security, especially during adverse weather conditions or when out of the house.
The first thing you need to determine the location you'd like to put the cat flap on your door. This will need to be located in a place that opens out into an area that is sheltered from the garden. This will make your cat feel secure as they exit and enter the home and will also stop other animals from entering your home.
You should also take into consideration the height of the cat flap. It should be in line with the measurement of your cat's belly so that they will be able to pass through the door easily. You can also place steps on either side of the entrance to assist your cat get through.
After you have decided where you would like to put the cat flap, measure the door and mark it with the pencil. This will provide you with a guide for where to cut. You will then need to cut a square out of the door using the Jigsaw. It is advisable to wear safety goggles and a dust protection mask while doing this, as inhaling 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 create an even edge.
After you've finished the sanding process, you can replace the cat flap. It is recommended to put the cat flap inside such that the lock (if there is one) is placed on the inside of the door. If there are holes for screws for the cat flap on the door, you must now drill these into place. Then you can carefully place the flap into the hole. Make sure that it fits snugly.