https://telegra.ph/Adding-a-Ca....t-Flap-to-Your-Bifol
It is possible to insert an apron flap inside a upvc panel or a double glazing sealed unit. However, the best option would be to install a new glass pane with an already-made hole. Read the instructions that should be provided with the kit for cat flaps, and follow them carefully. Ensure that the shape drawn (be it circle or square) is accurately represented on the template. Safety A microchip-activated pet panel inside your door made of upvc is a great solution if you have a dog or cat and would like to let them out int