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Laverne Dalgleish - Basic Air Barrier Requirements

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Building Science<br />

Ambient conditions effect buildings by:<br />

• <strong>Air</strong> leakage containing water vapor<br />

• Bulk water leaking into walls through:<br />

• voids in WRB<br />

• improper drainage in design/installation<br />

• Creating different air pressures<br />

• Drying potential of climate<br />

• Freeze/thaw

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