Video
Description
Video from Cold Climate Housing Research Center showing how to correctly install a vapor retarder for best air leakage prevention.
Reference
Description
Research study discussing how housewraps restrict or permit the passage of water molecules based on size, but cannot control the direction in which the water vapor molecules move.
Case Study
Description
Case study describing research about using exterior, vapor permeable insulation of retrofit walls with vapor permeable cavity insulation.
Reference
Description
FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.