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1319 Moisture Control in Hot Climates - Insulation Energy Efficiency - The Basics
 
1319 Moisture Control in Hot Climates - Insulation Energy Efficiency - The Basics -

Image Text: Problem > dew point (humidity condenses in wall) > 85 degrees Fahrenheit outside > 75 degrees Fahrenheit inside > airflow > condensation > 85 degrees Fahrenheit 80% humidity > A/C > wall > 75 degrees Fahrenheit 50% humidity > solution > 85 degrees Fahrenheit outside > 75 degrees Fahrenheit inside > airflow > no condensation > pressure > if the inside of the house is PRESSURIZED, air will leak OUT (despite the temperature difference) - actually DRYING the inside of the wall cavity

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INSULATION

The Basics, Air/Vapor Barriers (Vapor Retarders), Venting Roofs, Venting Living Spaces, Attics, Flat and Cathedral Roofs, Walls Above Grade, Basements and Crawlspaces, Floors over Unheated Areas, Ventilation Systems

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