https://www.repairmywindowsand....doors.co.uk/cat-flap
A cat flap is an excellent method to allow your pet the freedom to roam and ease the burden of letting them in and out. It can also make your pet less anxious and will stop them from entering your home when they are not allowed to do so. To install a cat flap to install a cat flap, measure the distance from the bottom of the cat's stomach to the floor. Draw a line along the door panel. Make sure the line is level with the spirit level. 1. The kind of door If you are installing the cat flap to the uPVC door panel or a double