Icicles in attic a red flag

Future-Proof: Navigate Threats, Seize Opportunities at ICNY 2018 | Jan 22-26 at the Marriott Marquis, Times Square, New York

Q: This summer we had siding installed around our house and we painted over the ventilation vents (husband's idea). My husband decided to cover the attic vent on top of the roof with a plastic bag because he said it would help seal the house better. I had a weird feeling about this, but I don't know anything about home repairs. Well, now we have a problem with condensation in our attic (that's what I think). He went up there last night and found that there were icicles on the frame. Somehow, I think we cut off all ventilation and now we have this condensation problem that is freezing because of the cold weather. He thinks we have a leak and that we need to replace the shingles. Do I make sense? Is there any advice you can give us? A: You're actually making perfect sense, and while I hate to step into the middle of a marital disagreement, what you are thinking is probably correct. High and low ventilation in an attic is essential for a passive airflow. Cooler air enters the ...