https://posteezy.com/benefits-cat-flaps-152
It is possible to insert a cat flap into an upvc panel or double glazing sealed unit. The best option would be to install an entirely new glass pane that has a pre-made hole. Read the instructions that should be provided with your cat flap kit, and follow them closely. Make sure that the template illustration accurately depicts the shape (circle or square). Safety If you have a cat or dog and would like to let them in the garden without leaving the door open, a microchip-activated pet flap on your upvc door panel is a great option. This will