https://hawkins-byers.blogbrig....ht.net/cat-flap-inst
It is possible to fit a cat flap in the door panel made of upvc or double glazing glass sealed units but the best solution is to have a new glass pane that has an already-made hole. Follow the directions included in your kit. Ensure that the shape drawn (be it circle or square) is accurately represented on your template drawing. Safety If you have a cat or dog and would like to let them into the garden without leaving the door open, a microchip activated pet flap in your door's up