With Blower-Door Tests, Timing is Everything

If you have been administering your blower door test at the end of your build, then you may be missing out on an essential opportunity to make your building envelope even tighter. Doing two blower-door tests; one mid-way through your build and one at the end, will give you a unique opportunity to fix cracks and holes before they get covered over by insulation and sheetrock.

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