The ability of your cat to come and go out of the house at its own pace is a great idea to keep it physically and mentally active. Having a flap can also aid in reducing toilet accidents by making it easier for your cat to exit the house when it needs to.
Take a look at the Door
A cat flap lets your pet to go and come whenever they want without opening the door for them. This makes it perfect to keep them inside when you're home or away and helps keep unwanted pests out of the house as well!
You should examine the door's measurements to ensure that you have the correct size cat flap. There are a variety of sizes available. This will ensure that you purchase the right size to fit into your door made of upvc otherwise, it might be too small or large for your cat and he will be unable to use it.
Use a ruler to take measurements of the width at various places along the edges of the door. You should also determine the door's height in a few spots. This is because a door that is too high will cause your cat to do a gymnast's routine every time they want to use the flap!
If you're not sure how to measure a door, it might be a good idea to seek assistance from a glazier, or someone who is familiar with this kind of work regularly. They should be able to assist you in determining whether or not your door is suitable for a cat flap and provide you with the appropriate size of flap you should purchase.
Draw the outline of the hole on your door once you have your measurements. This will help you when you cut the hole and will save you money!
Make sure you make the hole in the correct position. For instance, if you're installing the cat flap on a patio door, it's important that the hole doesn't sit too close to hinges, as this can cause leakage and problems with the seal.
If you have a glass door you could want to leave this task to a glazier. It isn't easy to install a cat-flap in an existing pane. You might also discover that it breaks and loses its weatherproof seal.
Measure the Cat
A cat flap permits your pet to go and come whenever they like without having to leave them to themselves. It can also stop draughts entering your home, which is not healthy for your cat or you.
However, if you own a uPVC or composite door it may be difficult to install a cat flap. These kinds of doors are typically made from different materials than standard wooden or uPVC doors and the procedure for installing them is different, too. Before you consider fitting the cat flap on your uPVC or composite door, make sure that it is compatible and that you've checked with the manufacturer as any modifications could invalidate any warranties.
They are designed to be durable and tough and have insulation. They are more resistant to weather than other types of doors, however it isn't easy to install a cat flap. Make sure to consult a professional prior to installing a cat flap onto a uPVC door or composite.
You'll need to determine their height to ensure that they can fit through the door. This is easiest when they're asleep or calm, so that they're not moving around too often. Once you've determined their height, you can measure the distance between their stomach and the floor to determine where the bottom of the cat flap should go. You can then mark this position on the door.
If your composite or uPVC door is made from metal (either steel or aluminium) you'll need to be extremely cautious when cutting it with power tools. Cutting into metal can cause it crack, especially when the area is made of toughened glass. This is why it's highly recommended to employ an experienced glazier when putting your cat flap into the glass pane. This will prevent the glass from becoming fragile or shattering. A Glazier is also in a position to provide you with a cat flap that is less likely to break and is safer for your cat to use.
Cut the Hole
If it doesn't however, you can make one yourself by using a piece of thin paper (tracing paper is the best choice). If it doesn't, you can make one yourself using the thin paper (tracing paper is ideal). After the shape has already been penciled in on the door, you can use your spirit level and make sure it's horizontal. This will allow the cat flap to properly fit into the door and prevent it from being in a position to slide open or closed.
Next, use your jigsaw and cut out the shape that has been marked on the door. Use a blade that is specifically designed for uPVC door use. It will usually be marked with this information. If not then ask the staff at the DIY store for assistance. Once the hole is cut, place the flap section against it and open it to ensure that the flap moves smoothly. If it is bound on any points then make use of a file or a rasp to correct this.
It is also important to ensure whether there are any electric cables or gas pipes within the door you'll be cutting through because they could be damaged by your Jigsaw. Be aware of any handles, or other fixtures that are on the door that have to be removed in order to install the cat flap. Be careful not to damage these items during the process.

Most people who fit a cat flap themselves will have the standard solid uPVC door and won't have to deal with any of these problems. However, if your door is constructed of timber or has a decorative panel that cannot be removed, it will increase the difficulty of the task.
It is always worthwhile seeking professional assistance from a cat flap fitter when it comes to these types of jobs because it is important to get them right to avoid any potential issues in the future. Making the wrong choice could cause the door to be damaged and could make it impossible to honor the warranty.
Place the Flap
After you've made your hole drilled, put the flap in place to test if it fits and is able to open easily. If you notice any points which catch or stick or stick, use a hand-file or sandpaper, to file them down until they are able to fit and open without any problems. Be sure that the flap is in line with the door.
Some kits include templates for this, however, even if yours does not, you can use a piece or thin paper instead, something like tracing paper ideally. Place the paper on the door and draw a line to indicate the location where the flap is placed (this will serve as a cutting guide). Make four screw holes on every corner of the flap using the pencil marks you created on the door. These will be the screw points that will be used to secure it in place.
The majority of uPVC doors are sturdy and easy to cut. If the door is made of GRP or composite however, it could be more difficult. If you're unfamiliar with this, it might be advisable to hire a professional to handle the work for you. They can also provide you with advice on whether or not your door is suitable for cat flap installation .
If you want to install a cat flap on composite doors, it is important to first consult with the manufacturer or a professional joiner. Any changes made to these doors may cause the warranty to be void. If you decide to complete the work yourself, keep in mind that this can be a messy job and may even be hazardous.
You'll require a grinder or saw to cut through composite doors more than only the GRP. This is a potentially dangerous job, and you will require extra care to avoid damaging the door. It is important to note that it's much more difficult to create the door glass than it is for a uPVC door or a solid wood doors.