https://postheaven.net/degreel....yre5/choosing-cat-fl
It is possible to insert a cat flap into a upvc panel or a double glazing sealed unit. However, the most effective solution is to put in a new glass pane with an already-made hole. Follow the directions included in your kit. Make sure that the template sketch accurately depicts the shape (circle or square). Safety If you have a cat or dog and would like to allow them access to the garden without opening the door A microchip activated pet flap inside your upvc door panel is a great choice. This will only let your pet in, an