https://selfless.wiki/wiki/Through_Wall_Cat_Flap
https://nerdgaming.science/wik....i/Fit_a_Cat_Flap_in_
If you're looking for an option to let your pet in and out without worrying about them leaving unwelcome "gifts" in the house you should consider purchasing an upvc door panel that has a cat flaps. This option is cheaper than replacing the whole door and easier to install. It is possible to set up a cat flap on your own uPVC doors, but it is an extremely difficult task that could lead to costly mistakes. Easy to install When you have a pet or a cat living in your h