https://fkwiki.win/wiki/Post:R....eplacement_UPVC_Door
https://elearnportal.science/w....iki/Cat_Flap_Install
A skilled cat flap fitter will place your pet's door in a door or a wall. The wall-mounted version is more secure, as an intruder cannot reach through. It also reduces energy costs and helps to prevent draughts. The Tasker will mark the location of the cat flap in your door and then drill the corners. They will also sand the edges of your frame to create a smooth surface. Microchip cat flaps A microchip cat flap is an easy and effective method to