Do You Install Into Double Glazed Doors? wyndham January 27, 2021 23:17 Updated No, unfortunately we do not install into double glazed doors or windows. Related articles Do you install pet doors into glass? Do you install other brands of pet doors? Can you install the pet door into my existing panel of "toughened" glass? Patio Pet Door Installation Video Do you install in my location? Comments 0 comments Please sign in to leave a comment.