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Need vents?


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Yes, if it's inside the crawlspace as a support wall, I'm not sure what venting gets you.

I'm also not sure what it gets you if it's located elsewhere depending on lots of variables, primarily what part of the country you're in. Maybe in California it's part of what you do. I don't know about California.

We know the insulation and ventilation codes and standard practices are wrong in many instances; one size does not fit all.

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Assuming that both sides of the wall are interior spaces I can't see a reason why you would need vents. If all enclosed interior walls needed ventilation you could argue that there be vents in every wall.

The exception would be if there is a difference in temperature between both sides of the wall there could be some vapor drive through the wall that could result in some condensation.

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