https://stairways.wiki/wiki/Ca....t_Flap_Glass_Door_In
It is possible to insert the cat flap onto the upvc panel, or even a double glazing sealed unit. The best solution is to put in the glass pane from scratch using an already-made hole. Follow the instructions provided with the kit. Ensure that the shape drawn (be it square or circle) is accurately depicted on your template drawing. Safety A microchip activated pet door in your upvc door is a great solution when you have a pet or cat and wish to let them out in the garden, but don't want to leave the door open. It will