A glass patio door has persistent haze, fog or streaks which have resisted all my attempts at removing them. They appear only on the stationary or fixed half of a sliding glass patio door, which rubs against a sliding rubber seal. They've been on the door ever since I can remember, about ten years ago when I bought the place. I replaced the rubber seal just once during that time, which didn't change the appearance of the streaks.
Things that have failed to remove the streaks:
- regular window cleaner
- soap water and dish scrubber
- hand sanitizer spray (80% ethanol)
- acetone nail polish remover
- abrasive steel wool dish scrubber
The streaks are NOT caused by:
- condensation between the double panes of glass
- stains or smudges the outdoor side of the glass
The next option I’ve considered is an orbital sander with fine grit sandpaper, or an angle grinder with a polishing disc. Before trying these intense methods, I want to ask here if something gentler might work. Of course, the last option is to simply replace the window, but I want to avoid that if possible. My budget is about $800, which is the replacement cost.
Thanks in advance for any guidance you can offer.
Edit: added pictures