Home Air Barrier Wrap
Wrap the home with Tyvek® or an equivalent exterior air barrier. This layer reduces uncontrolled air leakage and is standard practice in modern construction.
Introduce Fresh Air
When you improve airtightness with: • 2 × 6 walls • Foam insulation • Exterior air barrier wrap You must provide controlled fresh air ventilation using an Energy Recovery Ventilator (ERV) . An ERV: • Exhausts stale air • Brings in filtered fresh air • Balances indoor pressure • Improves indoor air quality Install the ERV in a laundry room or utility space to avoid pulling contaminants into living areas.
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