Rigid Foam On Attic Floor? - Insulation - DIY Chatroom Home Improvement Forum

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Old 06-28-2012, 11:31 AM   #1
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Rigid Foam on attic floor?

I need extra insulation in my attic which is a cold space, I was thinking of putting down the rigid foam on the floor surfaces and screwing it into the sub floor to help boost the insulation. Does anyone know if this is a good option..


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Old 06-28-2012, 12:34 PM   #2
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I must be covered with a proper thermal barrier in most cases and why use rigid foam where blown in cellulose would work just fine?


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Old 06-28-2012, 02:01 PM   #3
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+1 with WOW...go with a blow-in or batt. product and you can cover it all with a tyvek like material (class III vapor retarder MAX.) to help mitigate air movement through the fibers. It is cheaper too!
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Old 06-29-2012, 12:11 AM   #4
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1. Where are you located?

2. Is there HVAC in the attic?

3. Do you plan on storing household goods up there?

If any ads are present below my answer or words underlined/colored, I do not condone/support/use the product or services listed/linked to, they are there without my consent.
17,000 dryer fires a year, when did you last clean the inside of the dryer near motor or the exhaust ducting?
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