https://mozillabd.science/wiki..../Through_Wall_Cat_Fl
https://botdb.win/wiki/Back_Do....or_With_Cat_Flap_Fit
is possible to put an animal flap into a door panel made of upvc, or a double glazing glass sealed units however the best choice is to have a new glass pane with an already-made hole. Follow the directions that came with the kit. Make sure that the shape you have drawn (be it circle or square) is accurately drawn on your template drawing. Safety If you have a dog or cat and would like to allow them access to the garden without having the door open, a microchip-activated pet