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marigolds6 t1_j6j5fck wrote

Reply to comment by mcarterphoto in Hollow core door question by trash_recycle

>You can go nuts with fiberglass and house wrap, but one little crack letting cold air in will chill a room out very quickly.

Or, conversely, why throwing down a simple draft blocker or tacking up a single piece of rigid insulation in the right spot, or even just putting plastic film over a key window, can make a huge difference in a room.

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mcarterphoto t1_j6jipkg wrote

That's why there's one outlet in my house that gets blue tape over it when it's freezing out, it almost whistles cold air in! (Yeah, I need to fix that properly...)

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