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Old 02-14-2012, 10:55 AM   #1
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closed cell spray - off gasing effects on glass


Does anyone have any knowledge of any problems with off gasing of closed cell insulation and any type of hazing or a film on the glass?
thanks


Last edited by Fisher; 02-14-2012 at 11:00 AM.
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Old 02-14-2012, 11:23 AM   #2
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closed cell spray - off gasing effects on glass


Which glass?

Next to a window?

There is certainly steam and other suspended chemicals coming off that stuff. Not good to be around for certain.

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Old 02-14-2012, 11:31 AM   #3
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closed cell spray - off gasing effects on glass


Oops, should have been more specific.
Windows - LowE
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Old 02-14-2012, 11:48 AM   #4
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closed cell spray - off gasing effects on glass


The IGU is sealed so nothing about the spray foam should affect that.

If you have what appears to be an oily residue...you have bad Low-e.

Happens sometimes and it is a warranty covered issue for most manufacturers.

Who made the window?
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Old 02-14-2012, 12:15 PM   #5
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closed cell spray - off gasing effects on glass


its a light haze or film, its spread evenly on the interior pane and it is impossible to remove.
Just wondering if anyone has ever seen this from a closed cell application possibly being the cause?
thanks
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Old 02-14-2012, 12:45 PM   #6
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closed cell spray - off gasing effects on glass


Sounds a failed IGU.

Never seen any issues with spray foam in that capacity but I have not had Low-e windows in homes where we have sprayed the whole thing...just around the windows and wall penetrations.

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