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The main reason is initial cost, but a close second is that most home owners don't know how insulation works and trust R-value, the simplistic measurement on the label. Label information should be enough to make an informed decision, but it is not. R-value is meaningless without further information. R-value measurement involves near zero air movement; ...


Application of foam from the interior will not stop water from penetrating the compromised flashing seal. The water that does penetrate may very likely end up someplace you would rather not have it. That being said, it will probably be better than doing nothing, judging by your description of the leak and considering the weather that is headed your way. The ...

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