https://posteezy.com/cat-flap-installation-glass-54 Cat and dog flaps that are installed in double-glazed units make it easy for your pets to go and come whenever they want. They are also great for keeping an eye on your pet whilst you are away from home. It is possible to fit a cat flap inside an existing uPVC panel or double glazing glass sealed unit, but you'll need a replacement piece that has a hole already made. A glazier can accomplish this with the right equipment and training. Easy to install A cat flap is a great option to allow your pet access to the outside without having to open and close your doors. There are a variety of options for cat and dog flaps. Some of them can be fitted into double-glazed windows or doors. They can be installed to french or bifold doors, as well as patio doors. They are available in different sizes so you can select the one that is most suitable for your needs. A glazier who is certified for cat flaps will be able to provide advice on the best pet flap for your door, and also discuss the various options available. They will measure up your door or window and then create a new pane of glass with a hole that is pre-cut for the flap. This panel is then installed inside your glass door to ensure a seamless fit. The process can take between four and five working days after the panel is measured. You can also set up a magnetic pet flap which reads the microchip inside the collar of your pet. This means only your pet is able to use the flap, and it also blocks other pets and cats from entering your home. But, they aren't suitable for double-glazed doors containing metal (even some UPVC models have hidden reinforcing steel) and can be easily beaten by thieves. When choosing a cat flap to fit your double-glazed doors, it's important that you choose one that is weatherproof and secure. A high-quality cat flap should have a lock that will prevent intruders from entering and a draft breaker which will keep cold outside. It is a good idea