I'm about a dozen pages back but I read on one of these threads where someone opens their feed bags and staples them to the Walls for added wind protection. Thought I'd try it this week end but my walls are plywood. Thought it might help with heat though. All my vents are just below the ceiling (rafters). It took a little tweaking until I got it just right. I'll try to post the pic I have of how it looked until it was just right. It was minus 13. Hasn't happened since.
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