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Old 09-30-2010, 11:03 PM   #1
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I wanted to run this by some other people to get a general idea/response. A previous owner installed a radiant barrier on the floor joist of my house. For the life of me I cant figure out why would they have done this, it cover alot of area and was put up well but I don't understand the though process, to me radiant barriers are designed to block radiant heat/energy like the sun and the rays put off by the sun. So if my thought process is wrong please let me know. I also thought well maybe they just went big and insulated the floor with fiberglass and did that, but of course not after removing a piece or two. I want to insulate my floor joists and get some of this tax credit.

Thank any replies,



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Old 10-01-2010, 11:01 PM   #2
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Not understanding what the deal is. How about you xplain it again and also post some pictures.



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Old 10-02-2010, 01:14 AM   #3
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I'm not currently at home so I can't post pics, but I will explain again. My floor joist in my home over a large portion has a radiant barrier(shiny alluminum foil looking rolls that you staple to the joist) install and not fiberglass insulation. Radiant barriers from my understanding usually go in your attic to reflect radiant heat/energy out of the attic. Here's some quick info i looked up But mine is not in a place to reflect radiant energy because it's in a crawl space, hence me asking if anyone know why they would have install this product instead of fiberglass like normal. I'll try and post pics when I get a chance but it looks just like any insulated floor joist except its being covered the the reflective radiant barrier instead of fiberglass.


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