New answers tagged vent
You want to check and make sure the vent wasn't intentionally left there (I'm thinking like if it was maybe a crawl space air vent so it doesn't get moisture buildup somewhere else if air circulation/flow is blocked)? I have no idea but am also a learn the hard way usually as I go and hate odd, seems so simple to fix....but why Was it left ...especially when ...
No reason for such an opening. You should stuff insulation into it and then cap it. Or, if you have spare siding, remove it and patch the siding.
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