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The goal of providing exceptional airtightness for comfort and energy efficiency is easier to hit the fewer holes you put in the envelope. One of the easiest holes to eliminate can be a big one if you’re used to weatherstripping and insulating attic access doors in your build. Here Travis extolls the virtues of moving that access from the interior where it must be meticulously sealed to outside of the building envelope where gaskets and latches don’t matter so much.