https://moparwiki.win/wiki/Pos....t:Cat_Flap_Installat
Upvc is a popular choice for doors to homes. They are durable and easy to maintain. They can be difficult to fit with a flap for cats. A replacement upvc door with the cat flap is often the best option. It is easy to install and is less expensive than a new door. Safety uPVC door panels that have cat flaps are a great way to allow your pet to go inside and out of your home without opening the door. These panels are available in a range of styles and can easily be adapted to fit any existing door frame