https://blogfreely.net/ruleova....l7/cat-flap-installa
https://notes.io/w5QPk
Installing a cat flap on your door panel is an essential task that should be completed by an experienced professional. The doors are typically made of the plastic exterior, which is thin and flimsy, and then joined to a soft, insulation polystyrene core. It can be difficult to cut through these materials. It is a lot easier to install the cat flap inside an existing glass pane or to have the hole drilled in a door. A glazier can do this for you. Easy to fit If you ha