Labels:hakham | kite | sky | window OCR: r Leakage Infiltration: Exfiltration: move ment outdoor move ment indoor air towards the air towards the interior exterior Occurs through: through: Occurs joints unsealed sheathing unsealed openings joints the interior joints the exterior retarder vapor air retarder vapor, air electrical outlets, openings joints etc flashings et Potential for air leakage vapor many times higher than per meat ion 004 cfm/ ffective barrier per formance Slide R25 ALA Continuing Education Understand Steel pr4s Moisture Resistancs XPS Potentia vaporis permeation effective Unders tane Stee Stud Woisture Resiss
