https://writeablog.net/cornblo....ck79/cat-flap-instal
https://blogfreely.net/bathzeb....ra52/replacement-upv
It is possible to put the cat flap inside a upvc door panel or double glazing glass sealed units but the best solution is to buy a new pane of glass with an already-made hole. Follow the directions included in your kit. Make sure the sketch accurately depicts the shape (circle or square). Safety A microchip-activated pet panel inside your upvc door is a great solution if you have a dog or cat and wish to let them out in the garden, but do not want to