https://rootheat0.bravejournal.net/adding-a-composite-door-cat-flap Double glazing can be equipped with dog and cat flaps that allow your pet to come and leave at their own pace. These are also great to keep your pet safe while you're away. You can put in a cat flap into an existing uPVC or double glazing sealed unit. However, you will need a replacement part with an opening already made. This can be done by a glazier equipped with the proper equipment and skills. Easy to install A cat flap installed in your home is a great way to allow your pet free access to the outdoors without having you to open and close your doors. There are a number of options for dog and cat flaps as well as ones designed to fit inside double-glazed windows and doors. These are able to be fitted to bifold and french doors as well as patio doors. They also come in a wide range of sizes, meaning you can find the right one to meet your needs. A certified cat flap glazier will be able to give suggestions on the ideal pet flap for your door and will be able to discuss the various options available. They will measure up the existing door or window and then create a new glass panel with a pre-cut hole for the flap. The panel will then be inserted into the glass door, ensuring a seamless fit. This process could take up to four or five working days after the panel is measured. You can also set up an electronic pet flap that reads the microchip inside your pet's collar. This means only your pet can access the flap, and it also blocks other pets and cats from entering your home. However, these are not suitable for double-glazed doors that contain metal (even some UPVC units have hidden reinforcing steel) and are easily beaten by thieves. When you are choosing a cat flap that will fit your double-glazed doors, you must ensure to choose one that is weatherproof and secure. A high-quality cat flap will have locks to deter intruders and an air-tight seal to keep cold out. It is recommended also to check th