https://jain-wolf.hubstack.net/how-to-install-a-upvc-door-panels-cat-flap-1729603290 If you have a pet or a cat installing a pet flap on your French or patio doors is a great idea. It allows them to go into and out without having to open the door. There are several options for cat flaps that are designed to fit into uPVC or composite doors, as well as wooden doors. Some even have a four-way locking system that can be set to exit only by entering only, or open. Installation Cat flaps are an excellent way to let your cat in and out of the house without opening the door every time. This is particularly beneficial for cats who love to go outside and explore the area or just spend time with their feline friends. Cat flaps also help to keep unwanted animals from entering your home, such as foxes or burglars. There are many different kinds of cat flaps that are suitable for french doors, including classic two-way pet flaps as well as microchip cat flaps. Microchip cat flaps detect the microchip that is already embedded in your pet's collar or tag and only allow your pets to access your home. This can help prevent strays or cats that are in the vicinity from entering your home, which is particularly crucial for owners who are security conscious. Before installing the new cat flap it is recommended to ensure that the opening is clear and free of obstructions. You can do this by using a piece of sandpaper to smooth the edges of the hole. Use coarse sandpaper when removing materials and fine sandpaper while smoothing out the surface. Avoid removing too much material, as this could weaken the door's structural. You can begin cutting it out once you have made sure the opening is clean, free of debris and isn't blocked. Wear safety goggles and a mask that protects your eyes from dust particles that could cause harm to your health. Once the rough opening is cut and the flap is fitted, you can begin putting in your cat flap. When installing a cat flap in a glass door, you will need