Installing a cat flap into your home could be a huge step for any pet owner. If your cat is old and requires extra security, or you have a new kitten who require a vet check there are plenty of options out there to choose from.

It can be difficult for those who aren't professionals to put in the cat flap, but with right instructions it's easy. cat flap fitters , planning and accuracy are the keys.
Select the Right Door or Windows
There are many different types of cat flaps, some with locks that can be used to prevent your pet from leaving or inside, and others that have advanced features like microchips for door entry system. However, it's important to consider how easy your cat is to train to use the flap before you buy and install one.
It's best to place the cat flap, depending on the style of your house, in a window that opens into an area of the garden that is protected. This will allow your cat to feel safe when entering or leaving your home. If possible it will also provide them a way back should they be pursued by a different cat or by a human intent to hurt them.
It's possible to put the cat-flap on a uPVC or composite door, but it isn't the same as fitting one in a wood door. It's because uPVC or composite doors are available in different thicknesses. This could affect the method of cutting holes, and what you fix into.
If you're installing the flap in a glass door it is recommended to find a glazier who is experienced in this kind of work to avoid any costly mistakes. If you're installing the flap to an old wooden door, begin by introducing your cat to it before you fit it so that they can be familiar with its size and shape and explore it from all angles.
Take a look at your cat's belly measurement
In order to install a cat flap that's a good fit for your cat, you'll need to measure your cat's size. This will allow you to ensure that the cat flap is installed at the right height for the door or window and that it's big enough for him to enter and exit easily.
Place your pet on its back and gently move your fingers across their belly. Find a squishy fat pad around the lower back and face, as well as the legs. The extra padding protects your pet and allows it to move more freely, especially when performing feline Acrobatics.
You can also use the weight of your pet to determine how large opening you require. If your cat weighs more than 5kg, for instance the suggested cat flap opening size is 14x12cm.
Measure Your Door or Window
The name implies, this type of cat flap is designed to be affixed to a door and provides the pet with a way to enter or leave as it pleases. The flaps are made of plastic or aluminum and are placed in the middle of the door. They have a two-way swinging opening that opens by lightly pushing on either side. There are now locking versions of these flaps that provide added security so your cat isn't able to walk through from the outside.
Cat flaps are also commonly employed in windows. They are easy to be installed, but they need to be installed at an elevated level since cats and dogs have a difficult time to reach them. If the window isn't high enough to use a cat's flap, then you can opt for ramps, steps or specially designed stairs to help the animal reach it.
A cat flap can also be fitted into a brick wall but this is not recommended unless you're skilled in masonry work as it could weaken the wall's structure. Before you begin, it's essential to make sure that the wall is free of pipes and cables. If there are, then a hole needs to be made for them. This is something you should always seek expert advice on. It is also recommended to wear goggles with a protective lens and a dust-proof mask to prevent inhaling any sawdust generated by cutting into your home's walls.
Choose the Cat Flap that is right for you.
There are numerous cat flaps available on the market, and they all offer various features. Some have security options such as magnetic locks or microchip recognition that stop unauthorized entry and restrict your pet from letting pets or friends into the house. Some have weatherproof seals and insulation to block out the elements and keep out drafts.
There's also a variety of sizes depending on the size and breed of your pet. Some cat flaps are rectangular, while others are circular or square. The kind of cat flap you choose will depend on the size of the opening and the type of window or door you're installing it to.
Last but not least, think about the opening mechanism your cat flap will use. A simple aluminium or plastic swing-out door is a good option and is usually the cheapest. It will not stop other cats and pets from entering the room, and you could be letting in draughts.
It's time to install your cat flap. Mark the belly height of the door with your ruler. Use a spirit level to make sure that the line is sitting straight on the door and not too low. Use your spirit level to draw a template of the cat flap. Then, using the saw, cut out the outline of the door. Once you are satisfied with the result finish sanding the edges and drill through the pencil lines to make holes for screws.
Prepare the Tools
It's important to have the right tools when undertaking any DIY project. You'll need a cat flap along with an eraser and tape measure, a spirit-level, a drill, and a jigsaw, depending on the kind of window or door.
If you're installing a composite door, you should check with the manufacturer prior to making any changes, as this may affect the warranty or damage the weathertight seal. In this instance, it's likely that you'll need to replace the glass with a fresh piece of toughened glass.
You'll require a jigsaw to cut out your cat flap on wooden or uPVC door. Follow the directions provided by the manufacture. If you can, use a template to help you mark out the size of the hole you need to cut.
After you've made the hole, you'll have to sand the edges of the opening. This will prevent the possibility of water damage and rust. It is also recommended to seal the holes in your window or door and the side of the flap to prevent rain and wind. Once the sealant has dried it is time to install your cat flap!
Install the Flap
Installing a flap allows your cat to move around whenever it wants. Most people can install the flap by themselves. However, if you want to install it on a glass or uPVC type door, you may need an expert.
Look at the instructions that came with the cat flap. You will find a template drawing. This will provide you with an idea of where the holes for the flap will need to be made in the door. Mark the areas in which you will must drill using a pencil.
After you have mapped out the area in your door then use a jigsaw cut out the shape of the cat flap. It's a relatively easy task however, you'll need to be comfortable using a Jigsaw. If you are concerned about doing this yourself, there are many companies that can do this for you at a very low cost.
The next step is to attach the inside of the cat flap to the hole in your door. It is possible to seal the flap before you do this to ensure it is weatherproof and watertight. The outside of your cat flap can be placed on the bolts' tops and then securing them. You must test the cat flap on your cat to make sure that it functions properly and that it allows them to exit and enter easily.