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This is quite strange. From your list I cannot imagine that none of
these solvents improved the glass. I doubt it (from the Mineral
Spirits try) but I would try a little kerosene to see what happens, then
alcohol. If the alcohol works, then your film is probably shellac. Try
a gel paint remover, but be very careful (this stuff is very
caustic!!!). CLR will remove other kinds of deposits. Whatever
eventually works you may need to wash the windows with dishwashing
detergent and warm water, then follow up with household ammonia. Are
you sure the film is on the surface and not inside the glass? Is the
"glass" really glass or is it quartz?
On 13 Oct 2006 06:20:20 -0700, "Joe Masters" <joe@builderadius.com>
wrote:
>I just moved into a downtown city apartment that has nice, big
>windows... with a weird white film on them. It looks as if someone
>tried to clean the windows with something odd (hairspray?
>sticky-tire-spray?) and now it's dried and hardened itself to the
>windows. I have read extensively in this group and Googled, and I've
>tried the following things to clean it:
>
>(1) Windex
>(2) Solution of water/vinegar/soap
>(3) Solution of hot water and vinegar
>(4) Mineral Spirits
>(5) Goof-Off
>(6) Window Razor Blade (good at removing the bird poop, didn't do a
>thing to the film)
>
>It's definitely a film on the window -- I can feel it on the outside as
>a sort of sticky, filmy stuff (although it's lost a bit of the
>"sticky"). And it's not on every inch of the window; there are places
>where it's thicker, and little holes in it where you can see straight
>through.
>
>Does anyone have any other cleaning advice? If I've to, I will get new
>panes, but I am 40' off the ground, so that might be really expensive.
>
>--joe
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Re: Cleaning white film from windows -- tried everything!
