https://pattern-wiki.win/wiki/Cat_Flap_Fitters
It is possible to fit an animal flap into a door panel made of upvc, or a double glazing glass sealed units but the best solution is to buy a new pane of glass with a premade hole installed. Follow the directions included in the kit. Make sure the shape you've drawn (be it square or circle) is accurately depicted on your template drawing. Safety A microchip-activated pet panel inside your upvc door is a great option for those who have a dog or cat and would like to let them out in the garden, but do not want to open the door. It will allow