https://chessdatabase.science/....wiki/Adding_a_Cat_Fl
A upvc panel that has an animal flap can help reduce draughts within your home. You can save money by keeping your pets inside and the cold air outside. While it is possible to install a cat flap into double glazing as well as upvc sealed units, it can be more difficult than installing timber doors. This is due to the fact that upvc comes in a variety of thicknesses. Benefits A cat flap placed on your door will allow you to keep your pet inside or outside the home, while let other people in. It also helps keep ou