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So many places for air to leak in! I walked by a few of these doors and felt the cold air blowing in. Try it yourself: go turn on all the bath fans, the kitchen exhaust fan, maybe the dryer as well. Grab a thin strip of toilet paper and see how much air might be pulling in through some of the interior door jambs. If it doesn’t move, the wall to ceiling connection is nice and tight. If it blows out like this, you might want to consider sealing that wall to ceiling connection up in the attic space. Especially before it gets too February or August around here. submitted by /u/trabbler |
