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Is a radiant barrier placed over the attic floor joints a good idea?

by LiveModern Webmaster last modified Feb 14, 2013 01:08 AM
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by last modified Feb 13, 2013

We live in Florida and have a 2759 sq, ft. ranch with a hip roof. We have soffits all around and very limited air vents on the roof peaks. There are no roof vents otherwise. Several salespeople are trying to get us to install a radiation barrier over our 6 inch attic floor joists. The joists are covered with white insulation but I do not know the r factor. They also said that roof vents are necessary to have the maximum effect and we should see about 40% reduction in our power bill.




 

 

We live in Florida and have a 2759 sq, ft. ranch with a hip roof. We have soffits all around and very limited air vents on the roof peaks. There are no roof vents otherwise. Several salespeople are trying to get us to install a radiation barrier over our 6 inch attic floor joists. The joists are covered with white insulation but I do not know the r factor. They also said that roof vents are necessary to have the maximum effect and we should see about 40% reduction in our power bill.

In short - no. There's not a chance radiant barriers would work, but in order to work optimally they need to be as close to the heat source as possible,...


 

 

 
 
 

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