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Old 12-11-2009, 09:21 AM   #16
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Poly over insulation?


Ok guys not sure how this works, seems as though some of you are responding to each other?????

We installed pine t&g on the valted ceiling and will be installing pine log siding on the walls but have not done so yet.

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Old 12-11-2009, 09:28 AM   #17
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Poly over insulation?


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Originally Posted by jane-diy View Post
Ok guys not sure how this works, seems as though some of you are responding to each other?????

We installed pine t&g on the valted ceiling and will be installing pine log siding on the walls but have not done so yet.
Sure, most of us have opinions that don't mesh necessarily with each other, so that's normal. I just wish people would contribute more than one-word answers to what is a complex subject, or would read carefully what the OP has already done, In this case, I had a good idea you were into t&g pine, so where's the drywall that someone referred to? search me...

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Old 12-11-2009, 01:42 PM   #18
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Poly over insulation?


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If I understand correctly your question is: With both poly and the kraft facing creating essentially a double vapor barrier will you have problems.

Kraft facing and poly combined is not the recommend vapor barrier system, it's one or the other. But if you already have the T&G installed I would not worry to much if your ceiling is properly vented and insulated.
yup, you just made a diaper. lol trapping the moisture in between the 2 vapor barriers
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Old 12-11-2009, 01:54 PM   #19
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Poly over insulation?


Kraft paper isn't much of a vapor barrier. It works in warmer climates, but in colder areas with more possible moisture, you need the poly.

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