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Recently installed foam insulation is separating from joists. Is it an installation problem, or typical of the product?

by LiveModern Webmaster last modified Jan 04, 2012 02:06 AM
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by last modified Jun 20, 2011

I'm nearing the end of a substantial remodel in which I had closed-cell foam installed in the entire home. I recently heard load popping noises but couldn't find the source of the noise. Today one of my subs was in the crawl space and pointed out that the foam insulation between the floor joists was separating from the joist, leaving gaps large enough to reach your hand alongside the joist, all the way to the subfloor. Is this an installation problem, or the nature of the (very expensive) product?




 

 

I'm nearing the end of a substantial remodel in which I had closed-cell foam installed in the entire home. I recently heard load popping noises but couldn't find the source of the noise. Today one of my subs was in the crawl space and pointed out that the foam insulation between the floor joists was separating from the joist, leaving gaps large enough to reach your hand alongside the joist, all the way to the subfloor. Is this an installation problem, or the nature of the (very expensive) product?

I am a green builder and have been installing closed cell foam for about five years now. 

Our company owns its own closed-cell equipment and therefore we have a fair amount...



 

 

 
 
 

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