https://valetinowiki.racing/wi....ki/Fit_a_Cat_Flap_in
https://pattern-wiki.win/wiki/....Cat_Flap_Fitters_Nea
A cat flap that is built into the wall allows your pets to come out and in as they please. You must be careful to not install it too high into the wall. This can lead to energy loss and the risk of burglars entering your home. A gap in a cavity can be a challenge for future owners if you plan to sell your house. Glass cat doors are a much safer alternative. Easy to install A cat flap that is built into the wall allows your cat to come and go as it pleases. T