https://notes.io/w5ErJ
https://writeablog.net/smilebu....rst0/cat-flaps-for-f
It is possible to insert the cat flap onto a upvc panel or a double glazing sealed unit. However, the best option would be to install a new glass pane with a hole that is already made. Follow the directions that came with the kit. Make sure that the shape you have drawn (be it circle or square) is accurately depicted on your template drawing. Safety A microchip activated pet door in your door made of upvc is a great solution for those who have a dog or cat and wish to let them out into the garden