https://zenwriting.net/heighti....dea4/cat-flap-double
Installing a cat flap on solid uPVC door panels or double-glazed sealed units is much easier than it seems. If you don't have the right tools or experience you will require the help of an expert. Follow this guide to learn how to measure and mark the space in the uPVC panel to make your cat flap. Additionally, learn how to make it draft and weather resistant. Safety A upvc-clad panel with a cat flap is a great option to keep your pet secure while allowing your pet to move about freely. These panels can be made from recycled mat