Installing a cat flap into your home could be a big step for any pet owner. There are many options available for you, no matter if your cat is older and requires extra security or if you have kittens that require to be examined.

It can be a bit daunting for those who aren't professionals to put in a cat flap, but with right instructions it's easy. Planning, preparation and precision are the keys.

Select the Right Door or Windows

There's a wide selection of cat flaps available, some with locks (which can be used to stop your pet going out or coming in) and others with advanced features such as microchips for door entry systems. It is important to think about how easy your cat is to train to use the flap prior to making a purchase and fit one.

Depending on the style of your home It is recommended to situate the cat flap inside the form of a door or window that opens onto an area that is protected from the garden so that your cat will feel secure leaving and entering the home. If possible it will also provide them a way back case they are chased by a cat or by a human intent to hurt them.

You can install a cat flap in the case of a uPVC door or glass window however, it's not as easy as fitting one into the door made of wood. This is due to the fact that uPVC and composite doors are available in various thicknesses, and this can impact the way holes are cut as well as the materials you're fixing them into.

To avoid costly errors to avoid costly mistakes, it is recommended to consult a professional glazier prior to installing the flap on a glass-fronted door. If you're fitting the flap onto a wooden door it is recommended that you introduce your cat to it first to ensure that it becomes familiar with its size and shape.

Measure cat flap cover for winter

To install a cat flap that's the right size for your pet, you'll need to measure your cat's height. This will help you ensure that the cat flap is installed at the correct height on the door or window and that it is large enough for him to get in and leave easily.

Place your pet on its back and gently move your fingers along their belly. Find a squishy fat pad around the lower back and face, as well as the legs. The extra padding offers your pet safety and allows them to move more easily, especially when performing the many acrobatics felines are known for.

Alternately, you could make use of your pet's weight to determine the size of the opening you'll need. If your cat weighs up to 5Kg in weight, for example an opening of 14 x 12cm cat flap opening is advised.

Measure your window or door

As the name suggests this kind of cat flap is made to be attached to the door, and offers the pet with a way to go in or out as it pleases. They are usually made from plastic or aluminium and simply sit in the centre of the door. They come with the possibility of a swinging door that is opened by pressing lightly on either side. There are locking versions of these flaps, which provide extra security, so your cat won't be able to simply enter the door from the outside.

A window is a common location for a cat flap, and they are simple enough to fit, although they often need to be set up high as it is difficult for cats and dogs to reach them otherwise. If the window isn't sufficient in height to be used as a cat's flap, you can opt for ramps, steps, or stairs that are specially designed to help the animal reach it.

Cat flaps can be installed into a brick wall but it is not recommended unless you're skilled in masonry work as it could weaken the wall's structure. Before you begin, it's important to ensure that the wall is free of pipes and cables. If they are, a hole needs to be made for them. This is something you should always seek professional advice on. It's also advisable to wear goggles with a protective lens and a dust-proof mask to avoid breathing in any sawdust that is created by cutting into your home's walls.

Choose the Cat Flap that is right for you.

There are a variety of cat flaps available on the market, and they come with different features. Some come with security options like magnetic locks or microchip recognition to stop unauthorized entry and restrict your pet from letting pets or friends into the house. Some have weatherproof seals and insulation to block out moisture and draughts.

There are also different sizes that are available based on the size and breed of your pet. Certain cat flaps are rectangular whereas others are square or circular. The kind of cat flap you pick will depend on the size of the opening and the type of window or door you're fitting it to.

The last thing to do is take into consideration the kind of opening mechanism your cat flap will utilize. A simple plastic or aluminium swing-out door is one option and is usually the cheapest. It will not stop other animals and cats from entering, and you could also let in draughts.

It's time to install your cat flap. Start by marking the belly's height on the door using your ruler. Use a spirit level to make sure the line is not too low and is in line with the door. Create a template for the shape of the cat flap using your spirit level as a guide. Then, using your Jigsaw, cut the outline of the door. Once you are happy with the result, sand the edges down and drill through the pencil marks to create holes for screws.

Make the Tools

Like any DIY tasks, it's best to have the right tools for the job. You'll need a cat flap, an eraser and tape measure along with a spirit-level, drill and a jigsaw depending on the kind of door or window.

If you're installing a composite door, you should consult with the manufacturer prior to making any changes since this could invalidate the warranty or break the weathertight seal. In this scenario you'll likely have to install an additional pane of toughened glass instead.

For wooden or uPVC doors will require cutting out the design of your cat flap with the Jigsaw. Follow the directions given by the manufacturer. If possible, you can use an example to mark out the dimensions of the hole you'll have to cut.

After you've cut the required hole, you should then sand the edges of the opening to smooth them. This will stop any water damage or rust from occurring in the future. It is also recommended to cover the holes in your door or window and the side of the flap to block rain and wind. When the sealant has dried then you're now ready to put in your new cat flap!

Install the Flap

If you want your cat to come and go at will, installing a flap can help. Most people can put in the flap on their own. However when you plan to install it on a glass or uPVC type door, you may need an expert.

Take a look at the instructions included with your cat flap. There is a drawing of the template. This will give you an idea of where the holes are to be drilled to install the flap to be placed in the door. Mark the areas in which you will must drill using pencil.

After you have marked the door on your door, you can use the jigsaw to cut the design for the cat flap. This is a relatively simple task however, you'll need to be comfortable with the jigsaw. Many companies will do this for you for a reasonable price in case you're hesitant to take on the task yourself.

Then, screw the inner part of the door to the hole in your door. You may have to apply sealant before doing this to ensure that it stays watertight and weather resistant. The outside of your cat flap could be placed on the bolts' tops and then tightened together. It is recommended that you test the flap using your cat to ensure that it works correctly and that they are able to enter and leave easily through it.
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