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MtnDon
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# Posted: 25 Feb 2011 08:24pm - Edited by: MtnDon
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messed up did a double post.
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bushbunkie
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# Posted: 26 Feb 2011 08:45am
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Thanks MtnDon! I was thinking about possibly puting up a crossbrace in the front overhang.
As far as the loft insulation, I'm going to go with the foam board between the rafters...instead of overtop....yup...would be a real pain in a big place, but we're only talking 10' x 10'. Will be sure to leave room at bottom and top for air circulation.
Hopefully the new vented propane furnace will solve the moisture problem as well. thanks for the advice.
Cheers.
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jhawk82
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# Posted: 20 Mar 2011 03:43pm
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Great thread. I have a similar issue where I have a 20X40 cabin that I have had for 10 years. I put in 2 skylights for sunlight and ventilation, but now I want finish the ceiling with pine car siding. I live in east central Kansas and my cabin was built without soffits. I need to solve my ceiling ventilation problem before I close it up with the pine car siding. Only had 1 issue with moisture on the paper face of the insulation. It was warm and the skylights were closed. I was planning to put plastic sheeting over the insulation when As I was preparing to start working on my ceiling, I realized it wasn't properly vented, the insulation was too thick and there would no airflow once I closed it up.
I like the baffled ridge vents (currently just have small gap in the sheathing with my shingle caps. I think that will help a great deal to increase air flow from the top. I thought I would replace the current insulation with thinner insulation [albeit decreasing the R value] to allow airflow between the roof sheathing and the insulation (maybe using foam baffles). However, I don't have any soffits, so even though I created more airflow at the top, there is no airflow created from the eaves. It doesn't make sense to put a roof vent every 2 feet either. How critical is it to have soffits or is there an alternative? I also have my cabin in the middle of the woods, so I need to be concerned about wasps, ladybugs, etc getting into openings.
Any ideas?
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Jeremy165
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# Posted: 1 May 2011 04:29pm
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If you are venting through your ridge vent you will need an opening of some sort for air to enter. Normally that is your soffits. See picture. You're going to seal over your ridge vents? You could do gable vents on each end instead then.
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