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What type of insulation do you recommend for a 1959 tri-level home in Illinois? Our house has cathedral ceilings without attics.

by LiveModern Webmaster last modified Jan 04, 2012 02:05 AM
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by last modified Aug 30, 2011

We had a complete tear-down/ new roof placed w/ watershield throughout done 5 yrs ago & now are having buckling in roof & cracking, staining in our ceiling in our upper level. The roofer stated the ridge vent provides enough ventilation & the plywood is damaged on the inner side. Our rafters are 8 inches in height. We've gotten mixed recommendations from couple of local insulation companies & some are recommending foam w/ BASF closed-cell 6" R-41 applied after tearing down ceilings. Other is recommending fiberglass R-19 batts 6.5". What do you recommend?




 

 

We had a complete tear-down/ new roof placed w/ watershield throughout done 5 yrs ago & now are having buckling in roof & cracking, staining in our ceiling in our upper level. The roofer stated the ridge vent provides enough ventilation & the plywood is damaged on the inner side. Our rafters are 8 inches in height. We've gotten mixed recommendations from couple of local insulation companies & some are recommending foam w/ BASF closed-cell 6" R-41 applied after tearing down ceilings. Other is recommending fiberglass R-19 batts 6.5". What do you recommend?

Yvette,

This is a great question concerning a very common problem.

To fully understand the solution you’ll need to have a basic understanding of how the components of the roof structure work and...



 

 

 
 
 

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