https://botdb.win/wiki/Get_a_U....PVC_Door_Panel_With_
It is possible to install the cat flap onto a upvc panel or a double glazing sealed unit. However, the best solution is to put in an entirely new glass pane that has an already-made hole. Take note of the instructions that will be included with your cat flap kit, and follow them closely. Make sure that the shape you have drawn (be it circle or square) is accurately depicted on the template. Safety If you have a dog or cat and would like to let them in the garden without having the door open A microchip activated pet flap