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Can spray on insulation be safely applied as a retrofit to an occupied home?

by LiveModern Webmaster last modified Feb 01, 2012 01:01 AM
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by last modified Jan 31, 2012

1940s construction wood frame house, peaked roof , open attic with existing wood shavings insulation. External temperature vary from -35 to + 35 C. Home is occupied. I am concerned with the safety issues re off-gassing both during and after installation. Also opinions on the relative safety and efficiency of eco (soy based) foam and PUFI systems.




 

 

1940s construction wood frame house, peaked roof , open attic with existing wood shavings insulation. External temperature vary from -35 to + 35 C. Home is occupied. I am concerned with the safety issues re off-gassing both during and after installation. Also opinions on the relative safety and efficiency of eco (soy based) foam and PUFI systems.

It depends. I use Roxul in nearly all of my retrofits now.

  • Seal every air leak,
  • install roxul
  • then install an interior vapor barrier.

Every hole in the vapor barrier must be sealed...



 

 

 
 
 

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