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Oven Building Forum Building A Curing Oven? - Here's the place to post your questions, specs and ideas.

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  #11 (permalink)  
Old 12-19-2007, 02:10 PM
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Default Re: wall thickness

asallwey
Alex, you should have a PM
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Old 12-20-2007, 09:19 PM
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Default Re: wall thickness

Four inches of puffed insulation will probably be the same or better than six packed to four. By packing the insulation, you reduce the air gap between fibers. It's the air entrainment that gives fiberglass insulation it's properties.
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Old 12-20-2007, 10:52 PM
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Default Re: wall thickness



should i return it and get R-13?
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Old 12-21-2007, 01:24 AM
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If you save a few bucks, I would. You don't gain by compressing the insulation. I have the specs somewhere on insulation factor loss by compression but I don't remember the %. That's why I said 6" compressed to 4" would be no better (maybe worse) than 4" insulation alone.
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Old 12-21-2007, 09:25 AM
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Default Re: wall thickness

alright i will exchange them today.
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Old 12-21-2007, 10:49 AM
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Default Re: wall thickness

Quote:
Originally Posted by CarWiz View Post
If you save a few bucks, I would. You don't gain by compressing the insulation. I have the specs somewhere on insulation factor loss by compression but I don't remember the %. That's why I said 6" compressed to 4" would be no better (maybe worse) than 4" insulation alone.

it would most definitely be a poorer insulate than un-compressed.
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