https://morphomics.science/wik....i/Cat_Flap_Installat
A cat flap is a great way to give your pet the freedom to roam and avoid the hassle of getting them out and in. It will also make your pet to feel less stressed and keep them from escaping the house when they're not wanted. To set up 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 a spirit level. 1. The kind of door It is best to consult an expert if you are planning to install a cat flap on a uPVC or double glazing glas