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Is fiberglass batt insulation an acceptable material to close off eaves of a cathedral ceiling to stop closed cell foam? If so, if the fibe

by LiveModern Webmaster last modified Apr 24, 2014 01:10 AM
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by last modified Apr 23, 2014

I had closed cell foam installed in a cathedral ceiling. Fiberglass was used to stop the foam along the exterior walls. The fiberglass penetrated the interior space and the closed cell didn't create a full barrier onto the exterior plate. I had moisture build up in this area. Was the foam installed incorrectly? What can be done to rectify this?




 

 

I had closed cell foam installed in a cathedral ceiling. Fiberglass was used to stop the foam along the exterior walls. The fiberglass penetrated the interior space and the closed cell didn't create a full barrier onto the exterior plate. I had moisture build up in this area. Was the foam installed incorrectly? What can be done to rectify this?

In short they should have used solid blocking & ensured the foam made full contact with all the framing & sheathing members. Could this be the source of moisture or...


 

 

 
 
 

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