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I recently built a log home. The walls are 8″ logs with a conventional 2×10 rafter roof. The roof uses R-30 insulation bats between the rafters. The ends of the bats sit on top of the log walls. Problem is that on windy days the ends of the bats get lifted up off of the log walls when wind comes up through the soffit vents. The wind then dives under the bat and down over the wall instead of flowing over the bat and up and out through the ridge vent. Question is, what is the best solution to this problem. Note that all ceilings are cathedral type with tongue and groove pine barn siding so there is no seal between the ceiling material and the walls unlike when you have a taped drywall joint.
Thanks in advance for the help.
Ken
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Dear Cliff,
I've seen this problem in countless houses. Usually the indoor air is very dry and roof builds a lot of ice.
There are two reasonable fixes that I use. (and I hope somebody has another idea)
1. Drywall the ceilings.
2. Dense pack the roof. We pull the cap off the roof ridge, slide hoses down the rafter bays, and crush everything with cellulose.
Both is better.
Regards, Fred