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Old 10-07-2008, 04:54 PM   #1
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insulating before or after the heat's on


someone asked me this as I'm about to start the insulation in my project - in a vaulted ceiling - as I may have the heat on (getting chilly outside now) while I work.

in the ceiling I'm leaving a couple inches over the batts via the staple-on vents - so is there any worry about the heat inside possibly creating any condensation just before the batts go in - the airspace will be there anyway but just wondering if it's better to suck it up and work in the chill, get the batts in and covered with poly, or if the (small?) amount of condensation I might get with the heat on thru the day would make any difference at all.

not sure if this is an interesting or just plain dumb question....

randy

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Old 10-07-2008, 08:58 PM   #2
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insulating before or after the heat's on


If there is any condensation it will be so small as to not worry about it.

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Old 10-07-2008, 09:07 PM   #3
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insulating before or after the heat's on


Randy,

work in comfort.. As long as your batts are vented at the top and bottom of the bays properly it won't make any difference. RH in fiber glass batts will go up and down depending on ambient conditions.
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Old 10-07-2008, 09:36 PM   #4
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insulating before or after the heat's on


thanks for the replies - feel a bit better now about keeping the heat on. bays are all (well) vented at eaves and ridge - so I assume air should flow ok. Just wasn't sure about the short interim period and murphy's law and all that - appreciate the feedback.

-randy
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Old 10-07-2008, 10:38 PM   #5
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insulating before or after the heat's on


Definately not going to be an issue for you.
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Old 10-08-2008, 11:17 AM   #6
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insulating before or after the heat's on


Quote:
Originally Posted by thekctermite View Post
Definately not going to be an issue for you.
great - thanks again - should be up to my eyeballs this weekend - at least I'll be warm...

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