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Disintegrating Foam

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[#1] Posted: 08/26/2008 - 08:14:06 AM
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Can anyone tell me what this is? I found it at an exterior wall in a crawl space. I swiped my hand across it to try and figure out what it was, and it disintegrated in my hand. Insulation? Foam backing for retro waterproofing system? Sorry. I know the pics suck.


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Cary
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Disintegrating Foam
[#2] Posted: 08/26/2008 - 10:07:46 AM
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I don't know what the stuff is that looks like hair or fur. It looks disgusting considering I just checked in here while taking a break and eating my lunch.

The foam is UFFI - urea-formaldehyde foam insulation. Since it hasn't been installed since 1980, it's out-gassed long ago and is no longer a concern.

Bill Kibbel, Historic & Commercial Building Inspections - Old House Resources
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Disintegrating Foam
[#3] Posted: 08/26/2008 - 10:23:42 AM
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Thanks (again) Bill. It does look like fur or hair in the photo. There was a paper or moisture barrier on the backside of it. Looked like some old and deteriorated form of batt insulation.
Cary
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Disintegrating Foam
[#4] Posted: 08/26/2008 - 10:43:33 AM
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UFFI and it has been that way since it was installed. After a while in the field you get to know the different types of foam(s) and their characteristics.
Les
   
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