https://yamcode.com/fitting-ca....t-flap-in-upvc-door-
Installing a cat flap on your home is a simple process. It is important to be aware of a few things prior to getting started. You can put up upvc panels with the cat door without cutting a hole into your door or wall. Many glass suppliers offer them with a hole already cut for a pet-door. 1. Safety Upvc door panels cat flaps are simple to put in and can be installed to many different types of doors. They are weatherproof and energy efficient and have a draft excluder built-in that helps to seal the opening. They are also firep