https://morphomics.science/wik....i/Doors_With_Cat_Fla
It is possible to install an apron flap inside a upvc panel or a double glazing sealed unit. The best option would be to install the glass pane from scratch using an already-made hole. Follow the directions that should be provided with the kit for cat flaps, and follow them with care. Make sure that the sketch accurately depicts the shape (circle or square). Safety If you have a dog or cat and want to let them in the garden without leaving the door open, a microchip activated pet flap inside your upvc door panel is a great option. It