Thread: Help - mysterious stain on wall
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908/930 908/930 is offline
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Join Date: May 2012
Location: BC, Canada
Posts: 2,179
Garage
12 year old house, the sides likely have Tyvek? Roof leak. How air tight is the house? Dryer or stove vent causing vacuum?
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Old 12-19-2023, 01:18 PM
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