https://armstrong-mcqueen-2.thoughtlanes.net/how-to-train-your-cat-to-use-a-window-cat-flap-1727754240 It is possible to install the cat flap inside a upvc door panel or double glazing glass sealed unit but the best solution is to purchase a brand new pane of glass with an already-made hole. Follow the directions that should be included in your cat flap kit, and follow them closely. Ensure that the shape drawn (be it a square or circle) is accurately drawn on the template. Safety If you have a cat or dog and want to let them into the garden without opening the door, a microchip activated pet flap inside your upvc door panel is a great option. This will only allow your pet to access the area while preventing other pets and pests from getting in. Additionally, it can prevent burglars from entering your home through the doorway by locking out potential burglars. This kind of security is crucial if you have children, are elderly, or live in a burglary-prone area. The installation of a cat flap in a solid uPVC door is relatively simple and can be accomplished by anyone who is comfortable with tools and has some basic DIY skills. You can use a jigsaw or a saw to cut the required hole however it is essential to ensure that the flap is large enough to accommodate your pet and that it is at the correct height from both the inside and outside of the home. It is important to consult with the manufacturer when your door is constructed of composite material before making any changes in order to avoid invalidating warranty. Some composite doors come with decorative elements that are raised and are difficult or impossible to cut. Special provisions may be required if these protrusions are present. It is also recommended to apply a weatherproof sealant to the bare sections of wood that are exposed after cutting, as this can stop rainwater and moisture from getting into the wood, causing it to rot. If you have a double-glazed entrance, it is generally more difficult to install a cat