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Just a shot in the dark, but what about Cigarette Smoke or cooking
oils being the cause?
You could try toothpaste after first testing on an inconspicuous area
of the glass to ensure you do not scratch or damage the glass.
Wow, I've to get over this desire to put little disclaimers on the
things I write. If the person is too much of a dullard to know the
stuff I suggest, I doubt they'll follow my advice. Nor do I think my
little "Disclaimer" will keep me out of court should someone wish to
sue me. Sorry, I digress. DOH!! There I go again.
RC
On Sat, 14 Oct 2006 00:19:35 GMT, Phisherman <noone@nobody.com> wrote:
>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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