https://click4r.com/posts/g/18385310/how-to-train-your-cat-to-use-a-window-cat-flap Allowing your cat to go in and out of the house whenever it wants is a great way to keep your pet physically active and mentally engaged. Having a flap can also aid in reducing toilet accidents by making it easier for your cat to exit the house whenever it wants to. Take a measurement of the door A cat flap allows your pet to come and go as they please without having to open the door for them. This makes it perfect to keep them in the house when you're home or away and helps keep unwanted pests from the house as well! It's important to measure the door prior to when you purchase the cat flap, as there are different sizes available. You should then make sure that the cat flap is the right size for your door made of upvc. Otherwise, it may be too big or small and your cat may have difficulty using it. Use a ruler to determine the width at several places along the edges of the door. You should also measure the door's height in a couple of places. This is because doors that are too high can cause your cat to do the gymnast's routine each time they want to use the flap! If you're not sure how to measure a door, it might be best to ask for assistance from a glazier or someone who does this type of work frequently. They will be able to assist you in determining whether your door is suitable for a cat flap, and provide you with the appropriate size of flap to buy. Draw the outline of the hole on your door once you have the measurements. This will provide you with an outline to cutting the hole out and will stop you from making a mistake that could cost you money in the future! You must also ensure that the hole you're creating is in the correct place. For instance, if you're fitting the cat flap in the patio door, it's important that the hole isn't too close to any hinges, since this could cause leakage and damage to the seal. It is best to delegate the installation of a cat flap on the glas