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billinak 11-09-2005 11:51 AM

Attic Condensation
I guess the dripping vents are a symptom of another problem, attic condensation. The roofing nails that penetrate have frozen drops of water on them, there are wet spots on the blown-in insulation, and the roof planking is covered with frost in places. What should I do to alleviate this?

Scott_K 11-09-2005 01:29 PM

I just read your other post that Mike answered.
How is your roof vented ? Any blockage ?

billinak 11-09-2005 02:36 PM

I just installed a ridge vent this summer, but I think the soffit vent are probably inadequate

Scott_K 11-09-2005 03:10 PM

I just had a ridgevent installed earlier this year. It runs about 26'. The south soffit also runs 26', the north side of the house has about a 16' soffit run with a gable for the remaining run.

Maybe check out the roofing sub-forum. I remember reading/posting a few things about ridgevents this year. Just realized this is in the HVAC forum.

K2eoj 11-09-2005 06:18 PM

I think you might be getting too much warm moist air into your attic. Any dryer vents bath vents etc should be vented to the outside. A drywall ceiling with paint should be a vapor barrier between living space and the attic. Any air leaks leaks? Are you noticing more condensate on the north side of the roof than the south side? North roofs are generally alot colder in my area and will show more condensation.HS.

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