4.2. Repairing Damaged Air Barriers

If you identify a problem with the air barrier, follow these steps to repair the damage:

  • Assess the extent of the damage: Determine whether the issue is localized or widespread and whether the damaged area can be repaired or requires replacement.
  • Select the appropriate repair materials: Choose repair materials that are compatible with the existing air barrier system and suitable for the specific type of damage.
  • Follow manufacturer guidelines: Adhere to the manufacturer's recommendations for proper repair techniques, including surface preparation, application, and curing times.
  • Inspect and test: After completing the repair, visually inspect the area and perform any necessary air leakage testing to ensure that the issue has been resolved.